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发明名称
PROCESS OF PREPARING PHENOLIC MATERIAL FROM LIGNIN
摘要
申请公布号
CA485511(A)
申请公布日期
1952.08.05
申请号
CAD485511
申请日期
申请人
SULPHITE PRODUCTS CORPORATION
发明人
DONALD H. GRANGAARD
分类号
主分类号
代理机构
代理人
主权项
地址
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