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发明名称
LIGHT RAY DRAWING DEVICE
摘要
申请公布号
JPS52116258(A)
申请公布日期
1977.09.29
申请号
JP19760032879
申请日期
1976.03.25
申请人
NIPPON KAGAKU ENJINIARINGU KK
发明人
JIYOU KAZUHIKO
分类号
B25H7/04;B25H7/00;G02B27/18
主分类号
B25H7/04
代理机构
代理人
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