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发明名称
真空管岔路器
摘要
申请公布号
TW000394
申请公布日期
1955.08.01
申请号
TW000818
申请日期
1954.09.27
申请人
交通部台湾电信管理局
发明人
陈励研
分类号
H01J
主分类号
H01J
代理机构
代理人
主权项
地址
台北巿长沙街2号
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