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发明名称
ANSCHLUSS EINER BIEGSAMEN DACHHAUT AN EIN DIESE DURCHDRINGENDES ROHR, INSBESONDERE AN EIN FLACHDACHENTLUEFTERROHR
摘要
申请公布号
DE2301221(B2)
申请公布日期
1977.12.29
申请号
DE19732301221
申请日期
1973.01.11
申请人
发明人
分类号
E04D13/14;(IPC1-7):E04D13/14
主分类号
E04D13/14
代理机构
代理人
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