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经营范围
发明名称
PIANO PRACTICING MACHINE
摘要
申请公布号
JPS5796378(A)
申请公布日期
1982.06.15
申请号
JP19810158583
申请日期
1981.10.05
申请人
SHIN HAN METARU IND CO LTD
发明人
GUWANGU HO KIMU
分类号
G09B15/00;G09B15/08
主分类号
G09B15/00
代理机构
代理人
主权项
地址
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