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发明名称
DIRECTION DECIDER FOR LIGHT BEAM
摘要
申请公布号
JPS63179313(U)
申请公布日期
1988.11.21
申请号
JP19870070452U
申请日期
1987.05.12
申请人
发明人
分类号
E04H1/12;E04B2/72;(IPC1-7):E04B2/72
主分类号
E04H1/12
代理机构
代理人
主权项
地址
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