Lock protecting device,申请号US19310531813-传众专利搜索

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发明名称	Lock protecting device
摘要
申请公布号	US1863487(A)	申请公布日期	1932.06.14
申请号	US19310531813	申请日期	1931.04.21
申请人	HUGO V. MEYER	发明人	KIRKPATRICK RUSSELL WALLACE
分类号	E05B17/20	主分类号	E05B17/20
代理机构		代理人
主权项
地址

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