Air valve and the like,申请号US19330664249-传众专利搜索

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发明名称	Air valve and the like
摘要
申请公布号	US1992764(A)	申请公布日期	1935.02.26
申请号	US19330664249	申请日期	1933.04.03
申请人	AGNES S. PERRY	发明人	PERRY IRA D.
分类号	F16K15/20	主分类号	F16K15/20
代理机构		代理人
主权项
地址

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