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发明名称
摘要
申请公布号
FR1591820(A)
申请公布日期
1970.05.04
申请号
FRD1591820
申请日期
1968.11.14
申请人
发明人
分类号
H01B7/22;H01B9/02
主分类号
H01B7/22
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