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发明名称
摘要
申请公布号
JPS5816364(B2)
申请公布日期
1983.03.31
申请号
JP19740038361
申请日期
1974.04.04
申请人
SUWA SEIKOSHA KK
发明人
FUJITA KINJI
分类号
G04G3/00;G04C3/00;G04G3/04;H03B5/04;H03B5/32;H03L1/02
主分类号
G04G3/00
代理机构
代理人
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