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发明名称
Conical ball separating means for ball rolling machines
摘要
申请公布号
US2700813(A)
申请公布日期
1955.02.01
申请号
US19520280982
申请日期
1952.04.07
申请人
ARMCO STEEL CORPORATION
发明人
GRONCMCYER HERBERT W.
分类号
B21H1/14
主分类号
B21H1/14
代理机构
代理人
主权项
地址
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