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经营范围
发明名称
Bushing for polishing wheels
摘要
申请公布号
US2403813(A)
申请公布日期
1946.07.09
申请号
US19440546425
申请日期
1944.07.24
申请人
MANDERSCHEID JAMES J
发明人
MANDERSCHEID JAMES J.
分类号
B24D13/20
主分类号
B24D13/20
代理机构
代理人
主权项
地址
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