Flame arrester and safety relief for vapor lines,申请号US19290331260-传众专利搜索

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发明名称	Flame arrester and safety relief for vapor lines
摘要
申请公布号	US1907976(A)	申请公布日期	1933.05.09
申请号	US19290331260	申请日期	1929.01.09
申请人	UNION OIL COMPANY OF CALIFORNIA	发明人	JONES ELMER H.
分类号	A62C4/00	主分类号	A62C4/00
代理机构		代理人
主权项
地址

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