
Inland navigation vessels - Electrical connection to shore, three-phase current 400 V, 50 Hz, and at least 250 A
出版:Polish Committee for Standardization

专家解读视频
Inland navigation vessels - Electrical connection to shore, three-phase current 400 V, 50 Hz, and at least 250 A
出版:Polish Committee for Standardization
专家解读视频