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发明名称
PROJECTION LENS FOR PROJECTION TELEVISION
摘要
申请公布号
JPH01145613(A)
申请公布日期
1989.06.07
申请号
JP19870303227
申请日期
1987.12.02
申请人
PIONEER ELECTRON CORP
发明人
YOSHIOKA TAKAYUKI
分类号
G02B13/16;G02B13/18
主分类号
G02B13/16
代理机构
代理人
主权项
地址
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