Compressible fireproof seal,申请号US19880193897-传众专利搜索

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发明名称	Compressible fireproof seal
摘要
申请公布号	US4952615(A)	申请公布日期	1990.08.28
申请号	US19880193897	申请日期	1988.05.13
申请人	MINNESOTA MINING AND MANUFACTURING COMPANY	发明人	WELNA, WALTON W.
分类号	C09K3/10;C09K21/02;C09K21/06;C09K21/14	主分类号	C09K3/10
代理机构		代理人
主权项
地址

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