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发明名称
KYUMENJONO HYOJIHANKYUJOSUKURIINNI EISHASURU KOGAKUKEI
摘要
申请公布号
JPS5198023(A)
申请公布日期
1976.08.28
申请号
JP19750022734
申请日期
1975.02.26
申请人
发明人
分类号
G09B27/00;G02B13/06;G02B27/18
主分类号
G09B27/00
代理机构
代理人
主权项
地址
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