METHOD FOR THE MANUFACTURE OF ELECTRETS AND NOVEL ELECTRETS PRODUCED THEREBY,申请号CAD810343-传众专利搜索

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发明名称	METHOD FOR THE MANUFACTURE OF ELECTRETS AND NOVEL ELECTRETS PRODUCED THEREBY
摘要
申请公布号	CA810343(A)	申请公布日期	1969.04.08
申请号	CAD810343	申请日期
申请人	PHILIP MORRIS INCORPORATED	发明人	LAWRENCE M. BAXT;LESTER D. GRANDINE;JOHN R. MCDOWELL;LAWRENCE L. STEWART
分类号		主分类号
代理机构		代理人
主权项
地址

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