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发明名称
Ester gum and method of producing
摘要
申请公布号
US1820265(A)
申请公布日期
1931.08.25
申请号
US19280321755
申请日期
1928.11.24
申请人
HERCULES POWDER COMPANY
发明人
BENT LEAVITT N.;JOHNSTON ALAN C.
分类号
C09F1/00
主分类号
C09F1/00
代理机构
代理人
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