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发明名称
摘要
申请公布号
FR2143422(B1)
申请公布日期
1977.12.23
申请号
FR19720022879
申请日期
1972.06.23
申请人
SUMITOMO ELECTRIC IND
发明人
分类号
H01B3/48;H01B13/30;(IPC1-7):01B3/00;32B27/00;32B7/00;01B9/00;21H1/00
主分类号
H01B3/48
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