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经营范围
发明名称
Manufacture of wood pulp, etc.
摘要
申请公布号
US1842712(A)
申请公布日期
1932.01.26
申请号
US19210481146
申请日期
1921.06.28
申请人
LINN BRADLEY;MCKEEFE EDWARD P
发明人
BRADLEY LINN;MCKEEFE EDWARD P.
分类号
D21C3/26
主分类号
D21C3/26
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代理人
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