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公开(公告)号：US1868761A
公开(公告)日：1932-07-26
申请号：US49210930
申请日：1930-10-30
Applicant: CLUM MFG COMPANY
Inventor： PEASE FREDERICK J , PEASE HARLOW H
IPC: E05F11/00
CPC classification number: E05F11/48 , E05F2700/04 , E05Y2201/668 , Y10T16/714
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公开(公告)号：US2874338A
公开(公告)日：1959-02-17
申请号：US52485855
申请日：1955-07-28
Applicant: CLUM MFG COMPANY
Inventor： PEASE HARLOW H
IPC: H01H23/02
CPC classification number: H01H23/02
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