Tank refill and air gap,申请号US19390301573-传众专利搜索

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法人/股东/高管

发明名称	Tank refill and air gap
摘要
申请公布号	US2274862(A)	申请公布日期	1942.03.03
申请号	US19390301573	申请日期	1939.10.27
申请人	JOHN B. PIERCE FOUNDATION	发明人	GROENIGER WILLIAM C.
分类号	F16K31/24	主分类号	F16K31/24
代理机构		代理人
主权项
地址

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