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发明名称
摘要
申请公布号
NL7004510(A)
申请公布日期
1970.10.05
申请号
NL19700004510
申请日期
1970.03.31
申请人
发明人
分类号
H01H33/56;(IPC1-7):H01H33/54
主分类号
H01H33/56
代理机构
代理人
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地址
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