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发明名称
Warning signal
摘要
申请公布号
US2659336(A)
申请公布日期
1953.11.17
申请号
US19530334948
申请日期
1953.02.03
申请人
JACK INSUL
发明人
INSUL JACK
分类号
H01H9/16
主分类号
H01H9/16
代理机构
代理人
主权项
地址
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