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发明名称
摘要
申请公布号
DE9101664(U1)
申请公布日期
1991.06.06
申请号
DE19910001664U
申请日期
1991.02.11
申请人
HOERDUM, MARTIN, 5000 KOELN, DE
发明人
分类号
E04D1/30;E04D13/03;F24J2/04
主分类号
E04D1/30
代理机构
代理人
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