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发明名称
Circuit-control system
摘要
申请公布号
US2758224(A)
申请公布日期
1956.08.07
申请号
US19520322279
申请日期
1952.11.24
申请人
A. B. CHANCE COMPANY
发明人
ALTHERR WALTER M.
分类号
H01H61/00
主分类号
H01H61/00
代理机构
代理人
主权项
地址
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