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发明名称
摘要
申请公布号
FR2331667(B1)
申请公布日期
1980.10.24
申请号
FR19760034321
申请日期
1976.11.15
申请人
BLEFA AG
发明人
分类号
E04D13/035;E05D15/48;(IPC1-7):E05D15/48;E05F11/24
主分类号
E04D13/035
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