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经营范围
发明名称
OPTICAL DISK
摘要
申请公布号
EP0235812(B1)
申请公布日期
1990.06.13
申请号
EP19870103085
申请日期
1987.03.04
申请人
SUMITOMO CHEMICAL COMPANY, LIMITED
发明人
FUJITA, TSUTOMU;TOGAWA, YOSHIAKI;YASUI, SEIMEI;KIKUCHI, TOSHITSUGU
分类号
G11B7/24
主分类号
G11B7/24
代理机构
代理人
主权项
地址
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