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经营范围
发明名称
Bleached condensation product of carbohydrates and crude hydrocarbons
摘要
申请公布号
US1941475(A)
申请公布日期
1934.01.02
申请号
US19310518291
申请日期
1931.02.25
申请人
THE SELDEN COMPANY
发明人
JAEGER ALPHONS O.;WITZEL HEINRICH W.
分类号
C14C3/20
主分类号
C14C3/20
代理机构
代理人
主权项
地址
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