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发明名称
Improvements relating to the production of cellulose triacetate
摘要
申请公布号
GB402692(A)
申请公布日期
1933.12.07
申请号
GB19330018013
申请日期
1933.06.23
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
地址
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