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发明名称
Time-delay relay system
摘要
申请公布号
US2597347(A)
申请公布日期
1952.05.20
申请号
US19510211116
申请日期
1951.02.15
申请人
CUTLER-HAMMER, INC.
发明人
LOMMEN ROBERT M.
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
主权项
地址
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