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发明名称
Filler for pulp refining engines
摘要
申请公布号
US2201276(A)
申请公布日期
1940.05.21
申请号
US19390289001
申请日期
1939.08.08
申请人
SIMONDS WORDEN WHITE COMPANY
发明人
STEINBARGER CHARLES J.
分类号
B02C2/10
主分类号
B02C2/10
代理机构
代理人
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地址
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