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发明名称
Paper pulp refiner
摘要
申请公布号
US2208320(A)
申请公布日期
1940.07.16
申请号
US19360097958
申请日期
1936.08.26
申请人
BOND JOSEPH E
发明人
BOND JOSEPH E.
分类号
D21D1/22
主分类号
D21D1/22
代理机构
代理人
主权项
地址
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