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发明名称
Verfahren zur Herstellung von N-Acetyl-chitosanpolyschwefelsäureestern
摘要
申请公布号
AT189745(B)
申请公布日期
1957.04.25
申请号
ATD189745
申请日期
1955.07.18
申请人
F. HOFFMANN-LA ROCHE & CO. AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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