En资源列表
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[国外标准] BS EN 1836-1997 Personal eye protection. Sunglasses and sunglare filters for general use and filters
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[国外标准] BS EN 1822-5-2000 High efficiency air filters (HEPA and ULPA). Determining the efficiency of filter
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[国外标准] BS EN 1822-4-2000 High efficiency air filters (HEPA and ULPA). Determining leakage of filter element
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[国外标准] BS EN 1822-3-1998 High efficiency air filters (HEPA and ULPA). Testing flat sheet filter media
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[国外标准] BS EN 1822-2-1998 High efficiency air filters (HEPA and ULPA). Aerosol production, measuring equipme
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[国外标准] BS EN 1814-1998 Textile floor coverings. Determination of resistance to damage at cut edges using th
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[国外标准] BS EN 1813-1998 Textile floor coverings. Determination of wool fibre integrity using an abrasion mac
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[国外标准] BS EN 1811-1999 Reference test method for release of nickel from products intended to come into dire
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[国外标准] BS EN 1811-1998﹢A1-2008 Reference Test Method for Release of Nickel from Products Intended to Come i
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[国外标准] BS EN 1809-1998 Diving accessories – Buoyancy compensators –Functional and safety requirements, test
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[国外标准] BS EN 1780-3-1997 Aluminium and aluminium alloys. designation of unalloyed and alloyed aluminium ing
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[国外标准] BS EN 1775-2007 Gas supply - gas pipework for buildings - maximum operating pressure less than or eq
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[国外标准] BS EN 1748-2-1-2004 Glass in building. Special basic products. Glass ceramics. Definitions and gener
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[国外标准] BS EN 1748-1-1-2004 Glass in building. Special basic products. Borosilicate glasses. Definition and
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[国外标准] BS EN 1746-1999 Safety of machinery Guidance for the drafting of the noise clauses of safety standar