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发明名称
Means of producing socketed articles
摘要
申请公布号
US2244381(A)
申请公布日期
1941.06.03
申请号
US19390306593
申请日期
1939.11.29
申请人
THE WATERBURY FARREL FOUNDRY AND MACHINE COMPANY
发明人
WILCOX RICHARD LESTER
分类号
B21K1/46
主分类号
B21K1/46
代理机构
代理人
主权项
地址
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