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经营范围
发明名称
Manufacture of cellulose ethers
摘要
申请公布号
US2340177(A)
申请公布日期
1944.01.25
申请号
US19410410465
申请日期
1941.09.11
申请人
CELANESE CORPORATION
发明人
DREYFUS HENRY
分类号
C08B11/00
主分类号
C08B11/00
代理机构
代理人
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