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发明名称
摘要
申请公布号
JPS5834960(B2)
申请公布日期
1983.07.29
申请号
JP19750155073
申请日期
1975.12.26
申请人
HITACHI LTD
发明人
YANATORI MICHIO
分类号
H05K7/20;H05K5/00
主分类号
H05K7/20
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