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经营范围
发明名称
Pressure regulation for alternating current electric lines
摘要
申请公布号
GB303803(A)
申请公布日期
1930.03.20
申请号
GB19290000801
申请日期
1929.01.09
申请人
VITTORIO ARCIONI
发明人
分类号
G05F1/24
主分类号
G05F1/24
代理机构
代理人
主权项
地址
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