Safety lock device,申请号US19490117300-传众专利搜索

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发明名称	Safety lock device
摘要
申请公布号	US2575401(A)	申请公布日期	1951.11.20
申请号	US19490117300	申请日期	1949.09.23
申请人	TOM SIMMONS GRANVILLE	发明人	SIMMONS GRANVILLE TOM
分类号	E05B13/00;E05B13/08	主分类号	E05B13/00
代理机构		代理人
主权项
地址

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