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公开(公告)号:US1793293A
公开(公告)日:1931-02-17
申请号:US3123325
申请日:1925-05-18
发明人: THEODORE VARNEY , KING JOHN P
CPC分类号: H02G7/056 , F16G11/02 , Y10T16/39 , Y10T24/3907 , Y10T24/3909 , Y10T24/398 , Y10T29/49925 , Y10T29/49933 , Y10T403/4983 , Y10T403/4991
公开(公告)号:US1793293A
公开(公告)日:1931-02-17
申请号:US3123325
申请日:1925-05-18
发明人: THEODORE VARNEY , KING JOHN P
CPC分类号: H02G7/056 , F16G11/02 , Y10T16/39 , Y10T24/3907 , Y10T24/3909 , Y10T24/398 , Y10T29/49925 , Y10T29/49933 , Y10T403/4983 , Y10T403/4991