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发明名称
Signal casing
摘要
申请公布号
US2107777(A)
申请公布日期
1938.02.08
申请号
US19360105165
申请日期
1936.10.12
申请人
CROUSE-HINDS COMPANY
发明人
BISSELL CARL H.
分类号
G08G1/095
主分类号
G08G1/095
代理机构
代理人
主权项
地址
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