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经营范围
发明名称
Insulated pole
摘要
申请公布号
US2665502(A)
申请公布日期
1954.01.12
申请号
US19500189113
申请日期
1950.10.09
申请人
PARKES RALPH C
发明人
PARKES RALPH C.
分类号
F26B13/14
主分类号
F26B13/14
代理机构
代理人
主权项
地址
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