Impact operated vibrating latch gravity gate,申请号US19530339133-传众专利搜索

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发明名称	Impact operated vibrating latch gravity gate
摘要
申请公布号	US2691836(A)	申请公布日期	1954.10.19
申请号	US19530339133	申请日期	1953.02.26
申请人	DAVID ANDREW C	发明人	DAVID ANDREW C.
分类号	E05F13/04	主分类号	E05F13/04
代理机构		代理人
主权项
地址

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