[国外标准] BS ISO 7135-2009 Earth-moving machinery— Hydraulic excavators —Terminology and commercial specificat

1.33 MB2020-12-01

[国外标准] BS 7135-3-1989(ISO 9296-1988) Noise emitted by computer and business equipment — Part 3 Method for d

327.78 KB2020-11-27

[航空标准] HB 7135-1995 校准系统要求

282.95 KB2019-11-26

[机械行业标准] JB/T 7135-2007 羊草地潜松耕犁

2.1 MB2019-11-07