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发明名称
摘要
申请公布号
JPS5636667(B2)
申请公布日期
1981.08.25
申请号
JP19780016157
申请日期
1978.02.14
申请人
发明人
分类号
H02M7/537;H02M3/28;H05B41/24
主分类号
H02M7/537
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代理人
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地址
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