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发明名称
Moule permettant la fabrication de tuyaux en ciment sans joints et de toutes longueurs
摘要
申请公布号
FR681056(A)
申请公布日期
1930.05.09
申请号
FRD681056
申请日期
1929.08.31
申请人
发明人
CRAVETTO ANTOINE
分类号
B28B21/88
主分类号
B28B21/88
代理机构
代理人
主权项
地址
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