OVE/ONORM E 8001-4-56:2003现行
Erection Of Electrical Installations With Rated Voltages Up To A.c. 1000 V And D.c. 1500 V - Part 4-56: Electrical Installations Of Agricultural And Horticultural Premises
出版：Osterreichisches Normungsinstitut
专家解读视频
