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经营范围
发明名称
Crossarm reinforcement
摘要
申请公布号
US2318396(A)
申请公布日期
1943.05.04
申请号
US19410410369
申请日期
1941.09.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HOYT LEON G.
分类号
E04H12/24;H02G7/20
主分类号
E04H12/24
代理机构
代理人
主权项
地址
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