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经营范围
发明名称
Process for scoring material
摘要
申请公布号
US1844587(A)
申请公布日期
1932.02.09
申请号
US19290351805
申请日期
1929.04.01
申请人
MCTAGGART JAMES H;POSPESHIL JOSEPH B
发明人
MCTAGGART JAMES H.;POSPESHIL JOSEPH B.
分类号
B24B19/02
主分类号
B24B19/02
代理机构
代理人
主权项
地址
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