HD 478.2.6:1993现行
Classification Of Environmental Conditions - Environmental Conditions Appearing In Nature - Earthquake Vibration And Shock
出版：Harmonization Documents
专家解读视频
S1 [01/02/1993]
CEI 75-16 Ed. 1 (1997) - Identical
DS HD 478-2-6:1997 - Identical
UNE 20675-2-6:1993 - Identical
NFC 20 000:1990 - Identical
PN E-04555-26:1994 - Identical
SS IEC 60721-2-6 Ed. 1 (2001) - Identical
SS EN 60721:1997 - Identical
