Safety lock,申请号US19540452111-传众专利搜索

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发明名称	Safety lock
摘要
申请公布号	US2793521(A)	申请公布日期	1957.05.28
申请号	US19540452111	申请日期	1954.08.25
申请人	CANNON JOHN I	发明人	CANNON JOHN I.
分类号	E05B65/20;E05B65/24	主分类号	E05B65/20
代理机构		代理人
主权项
地址

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