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发明名称
Electrical controls
摘要
申请公布号
US2484049(A)
申请公布日期
1949.10.11
申请号
US19390269546
申请日期
1939.04.22
申请人
PUTT DONALD R
发明人
PUTT DONALD R.
分类号
G05B19/06
主分类号
G05B19/06
代理机构
代理人
主权项
地址
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