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公开(公告)号:US3110214A
公开(公告)日:1963-11-12
申请号:US8976461
申请日:1961-02-16
Applicant: EXCEL IND
Inventor: BENDA THEODORE R , HESS SR KENNETH A
IPC: F42B33/00
CPC classification number: F42B33/004
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公开(公告)号:US2445758A
公开(公告)日:1948-07-27
申请号:US59052845
申请日:1945-04-27
Applicant: EXCEL IND
Inventor: BENDA THEODORE R
IPC: H02G7/10
CPC classification number: H02G7/10
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