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经营范围
发明名称
HOLOGRAM INFORMATION VARIABLE POWER READDOUT DEVICE
摘要
申请公布号
JPS5541479(A)
申请公布日期
1980.03.24
申请号
JP19780115665
申请日期
1978.09.20
申请人
RICOH KK
发明人
YOSHIKAWA ETSUKO
分类号
G03H1/26;G03H1/28
主分类号
G03H1/26
代理机构
代理人
主权项
地址
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