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公开(公告)号：US1048819A
公开(公告)日：1912-12-31
申请号：US1912685477
申请日：1912-03-22
Applicant: WAPPLER ELECTRIC MFG COMPANY
Inventor： FAYER CHARLES F
CPC classification number: H02M1/22
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公开(公告)号：US1100063A
公开(公告)日：1914-06-16
申请号：US1914818633
申请日：1914-02-14
Applicant: WAPPLER ELECTRIC MFG COMPANY
Inventor： FAYER CHARLES F
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