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经营范围
发明名称
Grinders
摘要
申请公布号
US3326477(A)
申请公布日期
1967.06.20
申请号
US19640341974
申请日期
1964.02.03
申请人
DEMETROVITS EUGENE B
发明人
DEMETROVITS EUGENE B.
分类号
B02C13/16
主分类号
B02C13/16
代理机构
代理人
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地址
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