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经营范围
发明名称
Process for producing pyromellitic anhydride
摘要
申请公布号
EP1193241(B1)
申请公布日期
2005.12.14
申请号
EP20010122618
申请日期
2001.09.27
申请人
NIPPON SHOKUBAI CO., LTD.
发明人
TAKAHASHI, TSUKASA;EMOTO, YASUHISA;MATSUNAMI, ETSUSHIGE
分类号
C07C51/235;(IPC1-7):C07C51/265;C07C63/313
主分类号
C07C51/235
代理机构
代理人
主权项
地址
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