METHOD OF MANUFACTURING ELECTRET,申请号JP19800140675-传众专利搜索

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发明名称	METHOD OF MANUFACTURING ELECTRET
摘要
申请公布号	JPS56100409(A)	申请公布日期	1981.08.12
申请号	JP19800140675	申请日期	1980.10.09
申请人	TNO	发明人	YAN FUAN TAANHOUTO
分类号	B01D39/08;H01G7/02	主分类号	B01D39/08
代理机构		代理人
主权项
地址

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