登入選單
返回Google圖書搜尋
Alternating Current Motors on Public Supply Mains, Up to 650 Volts; Starting Conditions. Recommendations Approved by ... Incorporated Municipal Electrical Association, Incorporated Association of Electric Power Companies, Etc
出版1947
URLhttp://books.google.com.hk/books?id=25aJOwAACAAJ&hl=&source=gbs_api