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经营范围
发明名称
OPTICAL STORAGE DEVICE
摘要
申请公布号
JPH03231387(A)
申请公布日期
1991.10.15
申请号
JP19900026018
申请日期
1990.02.07
申请人
HITACHI LTD
发明人
SHIMIZU NAOHIKO
分类号
G06K7/015
主分类号
G06K7/015
代理机构
代理人
主权项
地址
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