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发明名称
摘要
申请公布号
DE8523177(U1)
申请公布日期
1985.09.26
申请号
DE19850023177U
申请日期
1985.08.12
申请人
GRUEN, HELMUT, 5900 SIEGEN, DE
发明人
分类号
E01C23/14;E04D15/06;F26B19/00;F26B23/02;(IPC1-7):F23D23/00;E04D15/00;F23Q9/00
主分类号
E01C23/14
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