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发明名称
摘要
申请公布号	FR2257743(B1)	申请公布日期	1977.05.20
申请号	FR19740042834	申请日期	1974.12.26
申请人	KUNSTSTOFFWERK GEBR ANGER GMBH	发明人
分类号	E03B3/08;E03B3/18;E03B3/20;E21B43/02;E21B43/08;(IPC1-7):E03B3/18;E03B7/07	主分类号	E03B3/08
代理机构		代理人
主权项
地址

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