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发明名称
Perfectionnements aux machines pour le moulage de tuyaux
摘要
申请公布号
FR783421(A)
申请公布日期
1935.07.12
申请号
FRD783421
申请日期
1934.12.28
申请人
THE HUME PIPE & CONCRETE CONSTRUCTION COMPANY LIMITED
发明人
分类号
B28B21/30
主分类号
B28B21/30
代理机构
代理人
主权项
地址
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