[化工书籍] 硫酸生产分析规程 1992年修订版

11.02 MB2020-12-09

[国外标准] DIN 3852-1-1992 管螺纹连接用螺纹管堵、螺纹孔和管件

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[国外标准] DIN 3580-1992 街道管道入孔盖和托板

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[国外标准] DIN 2093-1992 碟簧

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[国外标准] DIN 2092-1992 盘形弹簧 计算

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[国外标准] DIN 2089-2-1992 Design of cold or hot formed helical extension springs

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[国外标准] DIN 1333-1992 Presentation of numerical data

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[国外标准] AWWA C702-1992 Cold-Water Meters - Compound Type

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[国外标准] AWWA C501-1992 铸铁闸阀

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[国外标准] NFPA 1992-2000 Standard on Liquid Splash-Protective Ensembles and Clothing for Hazardous Materials E

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[国外标准] NEMA DC 20-1992(R2003, R2009) Residential Controls—Class 2 Transformers

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[国外标准] BS EN 60730-2-3-1992 Automatic electrical controls for household and similar use — Part 2-3 Particul

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[国外标准] BS EN 60688-1992 Electrical measuring transducers for converting a.c. electrical quantities to analo

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[国外标准] BS EN 60529-1992 Degrees of protection provided by enclosures(IP code)

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[国外标准] BS EN 60335-2-33-1992 Specification for Safety of household and similar electrical appliances — Part

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[国外标准] BS EN 28675-1992 Hexagon thin nuts with metric fine pitch thread. Product grades A and B.

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[国外标准] BS EN 28233-1992,BS 2782-11-Method 1131-1992,ISO 8233-1988 Thermoplastics valves. Torque. Test metho

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[国外标准] BS EN 27963-1992 ISO 79631985 Specification for Calibration block No. 2 for ultrasonic examination o

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[国外标准] BS EN 27436-1992 一字槽凹端紧定螺钉

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[国外标准] BS EN 27434-1992 ISO 7434-1983 Slotted set screws with cone point

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[国外标准] BS EN 26157-3-1992 Fasteners. Surface discontinuities. Bolts, screws and studs for special requireme

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[国外标准] BS EN 26157-1-1992 Fasteners. Surface discontinuities. Bolts, screws and studs for general requireme

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[国外标准] BS EN 25817-1992 Arc-welded joints in steel — Guidance on quality levels for imperfections

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[国外标准] BS EN 24920-1992 Textiles Determination of resistance to surface wetting (spray test) of fabrics

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[国外标准] BS EN 20140-10-1992 Laboratory measurement of airborne sound insulation of small building elements

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