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经营范围
发明名称
Line voltage regulator
摘要
申请公布号
US2721969(A)
申请公布日期
1955.10.25
申请号
US19500184212
申请日期
1950.09.11
申请人
MCGRAW ELECTRIC COMPANY
发明人
RYAN ANTHONY VAN;HARRY WILLIAM R.
分类号
G05F1/147
主分类号
G05F1/147
代理机构
代理人
主权项
地址
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