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发明名称
Worm mixer
摘要
申请公布号
US2231911(A)
申请公布日期
1941.02.18
申请号
US19390300252
申请日期
1939.10.19
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
HITT MAURICE V.;MCCORMICK GORDON R.
分类号
B01F7/08
主分类号
B01F7/08
代理机构
代理人
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