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经营范围
发明名称
Improvements relating to telegraph, electric and other poles
摘要
申请公布号
GB395628(A)
申请公布日期
1933.07.20
申请号
GB19330003319
申请日期
1933.02.03
申请人
JOHN FILLANS BARR
发明人
分类号
E04H12/22
主分类号
E04H12/22
代理机构
代理人
主权项
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