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公开(公告)号:US1946237A
公开(公告)日:1934-02-06
申请号:US53084831
申请日:1931-04-17
Applicant: FIBRE CONDUIT COMPANY
Inventor: ROBERTSON JR HUGH J
IPC: H02G3/18
CPC classification number: H02G3/185
公开(公告)号:US1946237A
公开(公告)日:1934-02-06
申请号:US53084831
申请日:1931-04-17
Applicant: FIBRE CONDUIT COMPANY
Inventor: ROBERTSON JR HUGH J
IPC: H02G3/18
CPC classification number: H02G3/185