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经营范围
发明名称
Submarine apparatus
摘要
申请公布号
US2248243(A)
申请公布日期
1941.07.08
申请号
US19380189972
申请日期
1938.02.11
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
LAWTON CHESTER S.
分类号
E02F5/10;E02F5/14
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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