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经营范围
发明名称
Polishing machine
摘要
申请公布号
US2507677(A)
申请公布日期
1950.05.16
申请号
US19470761198
申请日期
1947.07.16
申请人
THE PACKER MACHINE COMPANY
发明人
PACKER CLIFFORD I.;NICKERSON PAUL R.;HARPER JOHN F.
分类号
B24B21/00
主分类号
B24B21/00
代理机构
代理人
主权项
地址
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