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发明名称
VORRICHTUNG ZUR BEFESTIGUNG VON BANDFOERMIGEM FILTERMATERIAL AN ROEHRENFILTERN
摘要
申请公布号
DD134728(B1)
申请公布日期
1981.01.28
申请号
DD19780203297
申请日期
1978.01.19
申请人
发明人
分类号
主分类号
代理机构
代理人
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