Aerospace series - Nickel base alloy NI-B31001 (NiCr19Si10) - Filler metal for brazing, tape; German version EN 3931:1998
Durability of wood and wood-based products. Preservative-treated solid wood. Classification of preservative penetration and retention
实施日期:2008-01-31
Test Method of Deep Packet lnspection Device
发布日期:2009-06-15 实施日期:2009-09-01
发布日期:1996-08-30 实施日期:1996-08-30
Code of profundity for perliminary design for transmission and distribution projects of State Gird. Part 1:Transmission line
发布日期:2008-01-31 实施日期:2008-01-31
实施日期:2003-09-25
Hot applied joint sealants - Test methods - Part 2: Determination of cone penetration at 25 鳦
实施日期:2003-01-29
Medical electrical equipment. Medical electron accelerators. Functional performance characteristics
实施日期:2008-04-30
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