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经营范围
发明名称
Pole clamp
摘要
申请公布号
US1943766(A)
申请公布日期
1934.01.16
申请号
US19290396224
申请日期
1929.09.30
申请人
FRANK M. SIMPSON
发明人
MACDONALD JOHN J.
分类号
E04H12/24
主分类号
E04H12/24
代理机构
代理人
主权项
地址
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