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发明名称
Improvements relating to the production of cellulose triacetate
摘要
申请公布号
GB381991(A)
申请公布日期
1932.10.20
申请号
GB19310022274
申请日期
1931.08.06
申请人
ERNST. BERL
发明人
分类号
C08B3/06
主分类号
C08B3/06
代理机构
代理人
主权项
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