500资源列表

[国外标准] ETSI EN 302 500-1 V1.2.1 (2008-06) Electromagnetic compatibility and Radio spectrum Matters (ERM); S

[国外标准] ETSI EN 302 500-1 V1.2.1 (2008) Electromagnetic compatibility and Radio spectrum Matters (ERM); Shor

[国外标准] BS EN 500-6-2006 Mobile road construction machinery — Safety — Part 6 Specific requirements for pave

[国外标准] BS 500-2000 Steel sleepers

[国外标准] BS 3S 500-1996 Procedure for Inspection, testing and acceptance of steel sheet and strip

[国外标准] EIAJ ED-4701-500 Environmental and endurance test methods for semiconductor devices(Miscellaneous)

[湖南地方标准] DB43/T 500-2009 番茄分级

[计量检定规程] JJG 500-2005 电解法湿度仪检定规程

[计量检定规程] JJG 185-1997 500Hz ～1MHz测量水听器检定规程