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发明名称
Improvements in cellulose acetate
摘要
申请公布号
US1993782(A)
申请公布日期
1935.03.12
申请号
US19300503238
申请日期
1930.12.18
申请人
CELANESE CORPORATION
发明人
HANEY CLIFFORD I.
分类号
C08B3/22
主分类号
C08B3/22
代理机构
代理人
主权项
地址
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