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发明名称
摘要
申请公布号
FR2012199(A1)
申请公布日期
1970.03.13
申请号
FR19690003812
申请日期
1969.02.17
申请人
VARLONGA GIOVANNI
发明人
分类号
E04G11/46;E04G19/00;(IPC1-7):E04G11/00;E04G17/00
主分类号
E04G11/46
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