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经营范围
发明名称
METHOD OF THREAD ROLLING
摘要
申请公布号
US3590409(A)
申请公布日期
1971.07.06
申请号
USD3590409
申请日期
1968.11.04
申请人
EMRIC W. BERGERE
发明人
EMRIC W. BERGERE
分类号
B21H3/02;(IPC1-7):B21H3/02;B21H3/04;B21H3/08;B23G7/00;B23G9/00
主分类号
B21H3/02
代理机构
代理人
主权项
地址
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