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经营范围
发明名称
Production of pulp, etc.
摘要
申请公布号
US1973557(A)
申请公布日期
1934.09.11
申请号
US19250049090
申请日期
1925.08.08
申请人
BRADLEY-MCKEEFE CORPORATION
发明人
BRADLEY LINN;MCKEEFE EDWARD P.
分类号
D21C3/06
主分类号
D21C3/06
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代理人
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