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发明名称
DEVICE FOR CONTROLLING ATTRACTIVE FORCE OF MAGNET
摘要
申请公布号
JPS52144134(A)
申请公布日期
1977.12.01
申请号
JP19760060887
申请日期
1976.05.25
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
KIMURA SHIYOUJI
分类号
E05C17/56;A62C2/24;H01F7/02
主分类号
E05C17/56
代理机构
代理人
主权项
地址
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