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经营范围
发明名称
PROCESS FOR PRODUCING PITCH.
摘要
申请公布号
EP0119273(A4)
申请公布日期
1985.02.28
申请号
EP19830902698
申请日期
1983.08.27
申请人
OSAKA GAS CO., LTD
发明人
MORI, MAKIHIKO;KIBE, SATOSHI;MAEDA, TOYOHIRO
分类号
C10C1/00;C10C1/19;C10C3/00;C10C3/10;D01F9/12;D01F9/15;(IPC1-7):C10C1/00
主分类号
C10C1/00
代理机构
代理人
主权项
地址
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