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发明名称
Apparatus for treating carbon black and the like
摘要
申请公布号
US2102054(A)
申请公布日期
1937.12.14
申请号
US19350040438
申请日期
1935.09.13
申请人
GODFREY L. CABOT, INC.
发明人
BILLINGS EDMUND;OFFUTT HAROLD H.
分类号
C09C1/60
主分类号
C09C1/60
代理机构
代理人
主权项
地址
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