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发明名称
Polishing and coloring wheel
摘要
申请公布号
US2033253(A)
申请公布日期
1936.03.10
申请号
US19340721185
申请日期
1934.04.18
申请人
PFOHL HAROLD F L
发明人
PFOHL HAROLD F. L.
分类号
B24D13/04;B24D13/08
主分类号
B24D13/04
代理机构
代理人
主权项
地址
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