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发明名称
Method of treating chemical pulf
摘要
申请公布号
US1951017(A)
申请公布日期
1934.03.13
申请号
US19330681251
申请日期
1933.07.20
申请人
WEYERHAEUSER TIMBER COMPANY
发明人
HATCH RAYMOND S.
分类号
B01D29/01;D21D5/04
主分类号
B01D29/01
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代理人
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