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经营范围
发明名称
OPTICAL RECORDING MEDIUM
摘要
申请公布号
JPS59124045(U)
申请公布日期
1984.08.21
申请号
JP19830017792U
申请日期
1983.02.09
申请人
发明人
分类号
B24B31/108;B24B31/02;B24B31/12;(IPC1-7):B24B31/02
主分类号
B24B31/108
代理机构
代理人
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