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经营范围
发明名称
PROCESS FOR PREPARATION OF AROMATIC POLYBENZIMIDAZOLES
摘要
申请公布号
US3686149(A)
申请公布日期
1972.08.22
申请号
USD3686149
申请日期
1970.10.08
申请人
KURARAY CO. LTD.
发明人
YOSHIO OHFUJI
分类号
C08G73/18;(IPC1-7):C08G33/02
主分类号
C08G73/18
代理机构
代理人
主权项
地址
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