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经营范围
发明名称
WRITING PAD AND PRODUCTION THEREOF.
摘要
申请公布号
EP0625789(A4)
申请公布日期
1997.08.06
申请号
EP19930900406
申请日期
1992.12.28
申请人
CATALYSTS & CHEMICALS INDUSTRIES CO., LTD.
发明人
MATSUDA, MASAYUKI;KOMATSU, MICHIO;OHKUMA, MITSURU
分类号
C03B11/00;C03B11/08;C03C14/00;C03C21/00;C03C23/00;G06F3/033;G06F3/045;(IPC1-7):H01H13/70
主分类号
C03B11/00
代理机构
代理人
主权项
地址
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