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发明名称
Cone rolling apparatus
摘要
申请公布号
US2759514(A)
申请公布日期
1956.08.21
申请号
US19520265392
申请日期
1952.01.08
申请人
KNOST LLOYD H
发明人
KNOST LLOYD H.
分类号
B21C37/18
主分类号
B21C37/18
代理机构
代理人
主权项
地址
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