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公开(公告)号:US3118191A
公开(公告)日:1964-01-21
申请号:US15684061
申请日:1961-12-04
Applicant: GRAND RAPIDS HARDWARE COMPANY
Inventor: SPARKS BENJAMIN M , TEGGELAAR CLAUDE J
IPC: E06B3/44
CPC classification number: E06B3/44 , E06B3/4407 , E06B2003/4446
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公开(公告)号:US3121923A
公开(公告)日:1964-02-25
申请号:US14792561
申请日:1961-10-26
Applicant: GRAND RAPIDS HARDWARE COMPANY
Inventor: DE BRUYN WILLIAM T , SPARKS BENJAMIN M
IPC: E06B3/44
CPC classification number: E06B3/44 , E06B3/4407 , E06B2003/4446
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