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发明名称
LASER PROJECTION DEVICE
摘要
申请公布号
JPH02157790(A)
申请公布日期
1990.06.18
申请号
JP19880310021
申请日期
1988.12.09
申请人
HITACHI LTD
发明人
TAKEHISA KIWAMU
分类号
H04N5/74;G09F9/00;H04N3/08;H04N9/31
主分类号
H04N5/74
代理机构
代理人
主权项
地址
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