Froth for sealing volatile liquids,申请号US19300423568-传众专利搜索

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发明名称	Froth for sealing volatile liquids
摘要
申请公布号	US1985491(A)	申请公布日期	1934.12.25
申请号	US19300423568	申请日期	1930.01.25
申请人	FISHER GERALD M	发明人	FISHER GERALD M.
分类号	A62D1/02;C10L1/00	主分类号	A62D1/02
代理机构		代理人
主权项
地址

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