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发明名称
摘要
申请公布号
FR2136022(A5)
申请公布日期
1972.12.22
申请号
FR19720009172
申请日期
1972.03.16
申请人
KLAUSS ESSER KG
发明人
分类号
E04D13/155;(IPC1-7):E04D13/00
主分类号
E04D13/155
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