JB-T 4328.1-1999 电工专用设备 灰铸铁件通用技术条件

K90JB/T4328.119991999-08-062000-01-01()IJB/T4328.11999()111999-08-06JB/T4328.11999JB4328.119862000-01-01JB/T4328.119992JB/T4328.119993JB/T4328.119994JB/T4328.119995JB/T4328.119996JB/T4328.119997JB/T4328.119998JB/T4328.119999AJB/T4328.1199910JB/T4328.11999JB/T4328.11999*2100044*88012301/16X/XXXX,XXX19XXXXX19XXXXX1XXXXXX.XXXXXXX