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经营范围
发明名称
Acid sulfite pulping
摘要
申请公布号
US2709652(A)
申请公布日期
1955.05.31
申请号
US19490126131
申请日期
1949.11.08
申请人
CELANESE CORPORATION
发明人
PLUNGUIAN MARK
分类号
D21C3/06
主分类号
D21C3/06
代理机构
代理人
主权项
地址
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