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发明名称
Indicator for rubber mixers or the like
摘要
申请公布号
US2446657(A)
申请公布日期
1948.08.10
申请号
US19470776182
申请日期
1947.09.26
申请人
FARREL-BIRMINGHAM COMPANY, INC.
发明人
MACLEOD DOUGLAS W.;PERKINS RAYMOND H.
分类号
B29B7/24;B29B7/28
主分类号
B29B7/24
代理机构
代理人
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