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发明名称
REFERED MEMBER FOR USE IN REFERENCE DEVICE
摘要
申请公布号
JPS53124000(A)
申请公布日期
1978.10.28
申请号
JP19770038702
申请日期
1977.04.05
申请人
GAKKEN CO LTD
发明人
TOMINAGA KOUICHI;HIRAKI MITSUO
分类号
B42F15/00;G06K19/063;G06K21/02
主分类号
B42F15/00
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代理人
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