Aqueous foams and foaming agents,申请号US19600073546-传众专利搜索

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发明名称	Aqueous foams and foaming agents
摘要
申请公布号	US3155178(A)	申请公布日期	1964.11.03
申请号	US19600073546	申请日期	1960.12.05
申请人	NALCO CHEMICAL COMPANY	发明人	KIRKPATRICK WILLARD H.;SEALE VIRGIL L.;BERKLEY RICHARD E.
分类号	E21B21/14	主分类号	E21B21/14
代理机构		代理人
主权项
地址

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