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经营范围
发明名称
Roll grinder
摘要
申请公布号
US3165865(A)
申请公布日期
1965.01.19
申请号
US19620248571
申请日期
1962.12.31
申请人
B. S. ROY & SON CO.
发明人
BOUSQUET DONALD G.;KANE WALTER H.
分类号
B21B28/04;B24B5/36
主分类号
B21B28/04
代理机构
代理人
主权项
地址
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