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发明名称
Moule pour fabrication des tuyaux en béton vibré
摘要
申请公布号
FR987537(A)
申请公布日期
1951.08.14
申请号
FRD987537
申请日期
1949.04.02
申请人
发明人
ALLAIRE PHILIPPE
分类号
B28B21/90
主分类号
B28B21/90
代理机构
代理人
主权项
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