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发明名称
摘要
申请公布号	FR2256830(B1)	申请公布日期	1980.04.30
申请号	FR19750000421	申请日期	1975.01.08
申请人	DU PONT OF CANADA LTD	发明人
分类号	B32B21/08;B32B27/00;E04C2/26;E04G9/05;(IPC1-7):B32B7/04;B32B11/04;B32B27/06;E04B1/64;E04G9/00	主分类号	B32B21/08
代理机构		代理人
主权项
地址

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