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发明名称
Treatment of cellulose acetate solution
摘要
申请公布号
US1844417(A)
申请公布日期
1932.02.09
申请号
US19270209162
申请日期
1927.07.28
申请人
RUTH ALDO COMPANY INC.
发明人
BARTHELEMY HENRI LOUIS
分类号
C08B3/22
主分类号
C08B3/22
代理机构
代理人
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地址
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