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经营范围
发明名称
Process for treating resins
摘要
申请公布号
US1809738(A)
申请公布日期
1931.06.09
申请号
US19280253203
申请日期
1928.02.09
申请人
PAUL STUHLMANN
发明人
STUHLMANN PAUL
分类号
C09F1/00
主分类号
C09F1/00
代理机构
代理人
主权项
地址
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