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发明名称
摘要
申请公布号
JPS53158962(U)
申请公布日期
1978.12.13
申请号
JP19770064715U
申请日期
1977.05.20
申请人
发明人
分类号
G04G5/04;F24C7/02;F24C7/08;G04G21/00;H02B1/04;H05B6/64;(IPC1-7):H05B9/06
主分类号
G04G5/04
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