Stop valve for liquid or gaseous substances,申请号US19290396307-传众专利搜索

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发明名称	Stop valve for liquid or gaseous substances
摘要
申请公布号	US1883960(A)	申请公布日期	1932.10.25
申请号	US19290396307	申请日期	1929.09.30
申请人	KOPPEL	发明人	KOPPEL ARTHUR FRITZ;ALBRECHT MAX
分类号	F16K7/02	主分类号	F16K7/02
代理机构		代理人
主权项
地址

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