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经营范围
发明名称
Insulator shield
摘要
申请公布号
US2099540(A)
申请公布日期
1937.11.16
申请号
US19340724972
申请日期
1934.05.10
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
SMITH DONALD H.
分类号
H01B17/00
主分类号
H01B17/00
代理机构
代理人
主权项
地址
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