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发明名称
Process for derivatizing polygalactomannan using water soluble aluminum salts in the process
摘要
申请公布号
US4959464(A)
申请公布日期
1990.09.25
申请号
US19880268287
申请日期
1988.11.07
申请人
HI-TEK POLYMERS, INC.
发明人
YEH, MICHAEL H.
分类号
C08B37/00
主分类号
C08B37/00
代理机构
代理人
主权项
地址
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