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发明名称
Perfectionnements aux articles en forme de calotte, tels que les pistons, et à leur fabrication
摘要
申请公布号
FR752451(A)
申请公布日期
1933.09.23
申请号
FRD752451
申请日期
1933.02.27
申请人
ALUMINIUM LIMITED
发明人
分类号
B23P15/10
主分类号
B23P15/10
代理机构
代理人
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