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发明名称
TIME-INTERVAL SWITCHING DEVICE
摘要
申请公布号
US3422233(A)
申请公布日期
1969.01.14
申请号
USD3422233
申请日期
1966.12.30
申请人
GEORGE HIRSCH
发明人
GEORGE HIRSCH
分类号
H01H43/10;(IPC1-7):H01H7/08
主分类号
H01H43/10
代理机构
代理人
主权项
地址
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