Safety door lock,申请号US19620243351-传众专利搜索

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发明名称	Safety door lock
摘要
申请公布号	US3206956(A)	申请公布日期	1965.09.21
申请号	US19620243351	申请日期	1962.12.10
申请人	TRAMMELL JR EARL M	发明人	JR. EARL M. TRAMMELL,
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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