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发明名称
BUFFING WHEEL SECTION
摘要
申请公布号
CA489520(A)
申请公布日期
1953.01.13
申请号
CAD489520
申请日期
申请人
ELISHA W. HALL
发明人
ELISHA W. HALL
分类号
主分类号
代理机构
代理人
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地址
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