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公开(公告)号：US1886431A
公开(公告)日：1932-11-08
申请号：US36393529
申请日：1929-05-17
Applicant: GRAND RAPIDS HARDWARE CO
Inventor： SEELBACH JOHN F
IPC: F16H55/50
CPC classification number: F16H55/50 , Y10S474/902 , Y10T16/69 , Y10T16/698
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公开(公告)号：US1845631A
公开(公告)日：1932-02-16
申请号：US36786029
申请日：1929-06-03
Applicant: GRAND RAPIDS HARDWARE CO
Inventor： SEELBACH JOHN F
IPC: E05D13/00
CPC classification number: E05D13/00 , E05Y2201/668 , E05Y2900/148 , Y10T16/706
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