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发明名称
Filter materials
摘要
FILTER MATERIALS. G6B. are made by folding the webs longitudinally placing a thermoplastic strip between the free edges of the folded web, and thermowelding the free edges to produce seams.
申请公布号
DE1803469(A1)
申请公布日期
1970.05.14
申请号
DE19681803469
申请日期
1968.10.17
申请人
JUNKER,ADOLF
发明人
JUNKER,ADOLF
分类号
B01D29/11;B01D46/02;D06H5/00
主分类号
B01D29/11
代理机构
代理人
主权项
地址
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