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经营范围
发明名称
PROCEDIMIENTO DE FABRICACIoN DE 4,4-DIOXI-DIFENIL-FIRIDIL-METANOS.
摘要
申请公布号
ES227478(A2)
申请公布日期
1956.05.16
申请号
ES19780002274
申请日期
1956.03.22
申请人
DR. KARL THOMAE, G. M. B. H.
发明人
分类号
(IPC1-7):C07
主分类号
(IPC1-7):C07
代理机构
代理人
主权项
地址
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