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经营范围
发明名称
ELECTRONIC SPECTACLES
摘要
申请公布号
JPS5576323(A)
申请公布日期
1980.06.09
申请号
JP19780149497
申请日期
1978.12.01
申请人
SUWA SEIKOSHA KK
发明人
TOMITA TADAHARU
分类号
G02C7/02;G02C7/06;G02F1/13
主分类号
G02C7/02
代理机构
代理人
主权项
地址
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