Latch,申请号US19270229429-传众专利搜索

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法人/股东/高管

发明名称	Latch
摘要
申请公布号	US1787390(A)	申请公布日期	1930.12.30
申请号	US19270229429	申请日期	1927.10.28
申请人	MILLER GEORGE W	发明人	MILLER GEORGE W.
分类号	E21B27/00	主分类号	E21B27/00
代理机构		代理人
主权项
地址

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