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公开(公告)号：US3098647A
公开(公告)日：1963-07-23
申请号：US65742857
申请日：1957-05-06
Applicant: GRAND RAPIDS HARDWARE COMPANY
Inventor： TEGGELAAR CLAUDE J , SWIERBUT MICHAEL N
IPC: E05F11/12
CPC classification number: E05F11/12 , Y10T74/18792
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公开(公告)号：US2597459A
公开(公告)日：1952-05-20
申请号：US8674249
申请日：1949-04-11
Applicant: GRAND RAPIDS HARDWARE COMPANY
Inventor： DICKINSON HENRY R , SWIERBUT MICHAEL N
CPC classification number: E05D13/1253 , E05Y2900/148 , Y10S292/64 , Y10T16/64 , Y10T29/49863 , Y10T29/49874
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公开(公告)号：US3028640A
公开(公告)日：1962-04-10
申请号：US62090256
申请日：1956-11-07
Applicant: GRAND RAPIDS HARDWARE COMPANY
Inventor： SWIERBUT MICHAEL N , TEGGELAAR CLAUDE J
IPC: E06B3/44
CPC classification number: E06B3/44
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