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经营范围
发明名称
Nitrogenous condensation products
摘要
申请公布号
US2272012(A)
申请公布日期
1942.02.03
申请号
US19380214580
申请日期
1938.06.18
申请人
SOCIETY OF CHEMICAL INDUSTRY IN BASLE
发明人
KERN WALTER;TOBLER RICHARD
分类号
C09B5/26
主分类号
C09B5/26
代理机构
代理人
主权项
地址
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