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发明名称
GRINDING BODY
摘要
申请公布号
CA397145(A)
申请公布日期
1941.06.10
申请号
CAD397145
申请日期
申请人
F. L. SMIDTH AND CO.
发明人
NIELS MARIUS HANSEN
分类号
主分类号
代理机构
代理人
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地址
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