[化工书籍] 设备润滑技术 [李殿家,高峰太 编著]

7.3 MB2020-12-10

[化工书籍] 高分子科学前沿与进展

20.6 MB2020-12-07

[国外标准] DIN 925-2006 Slotted countersunk head screws with full dog point

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[国外标准] DIN 923-2006 Standard Slotted pan head screws with shoulder

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[国外标准] DIN 920-2006 Standard Slotted pan head screws with small head

185.21 KB2020-12-05

[国外标准] DIN 920-2006 Slotted pan head screws with small head 英文版

401.54 KB2020-12-05

[国外标准] DIN 653-2006 Knurled thumb screws low type

171.84 KB2020-12-05

[国外标准] DIN 404-2006 Slotted capstan screws

175.59 KB2020-12-05

[国外标准] DIN 338-2006 直柄麻花钻 机用系列

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[国外标准] DIN 2093-2006 碟簧

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[国外标准] DIN 2092-2006 盘形弹簧 计算

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[国外标准] DIN 1960-2006 VOB Vergabe- und Vertragsordnung für Bauleistungen

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[国外标准] DIN 1193-2006 钢锤技术规范

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[国外标准] DIN 1055-4-A1-2006 Action on structures - Part 4 Wind loads

321.25 KB2020-12-05

[国外标准] DIN 1053-100-2006 Mauerwerk-Teil 100

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[国外标准] AWWA C606-2006 Grooved and Shouldered Joints

578.48 KB2020-12-04

[国外标准] AWWA C504-2006 橡胶密封蝶阀

727.58 KB2020-12-04

[国外标准] AWWA B702-2006 氟硅酸钠 Sodium Fluorosilicate

167.51 KB2020-12-04

[国外标准] AWWA B701-2006 氟化钠 Sodium Fluoride-Ninth Edition

179.24 KB2020-12-04

[国外标准] AWWA B453-2006 聚丙烯酰胺(含2007修改单)

1.52 MB2020-12-04

[国外标准] AATCC 6-2006 耐酸和耐碱色牢度

133.58 KB2020-12-04

[国外标准] AATCC 154-2006 分散染料的热固性

243.36 KB2020-12-04

[国外标准] NFPA 92A-2006 Standard for Smoke-Control Systems Utilizing Barriers and Pressure Differences

950.44 KB2020-12-03

[国外标准] NFPA 750-2006 Standard on Water Mist Fire Protection Systems

1.25 MB2020-12-03

[国外标准] NFPA 70B-2006 电气设备维护

2.44 MB2020-12-03