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经营范围
发明名称
Radius grinder
摘要
申请公布号
US2347616(A)
申请公布日期
1944.04.25
申请号
US19410419184
申请日期
1941.11.14
申请人
STEPHENSON WILLIAM F
发明人
STEPHENSON WILLIAM F.
分类号
B24B19/12
主分类号
B24B19/12
代理机构
代理人
主权项
地址
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