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发明名称
Relay apparatus for use in electric supply systems
摘要
申请公布号
US1951866(A)
申请公布日期
1934.03.20
申请号
US19300443751
申请日期
1930.04.12
申请人
CONSTANTINE GRASEBY ROBERT
发明人
GRASEBY ROBERT CONSTANTINE
分类号
H01H53/10
主分类号
H01H53/10
代理机构
代理人
主权项
地址
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