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发明名称
Means for making bell-ended pipes by centrifugal casting
摘要
申请公布号
US2539888(A)
申请公布日期
1951.01.30
申请号
US19470761216
申请日期
1947.07.16
申请人
COMPAGNIE DE PONT-A-MOUSSON
发明人
BOUCHER JACQUES
分类号
B22D13/10
主分类号
B22D13/10
代理机构
代理人
主权项
地址
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