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发明名称
Control system
摘要
申请公布号
US2488403(A)
申请公布日期
1949.11.15
申请号
US19450634546
申请日期
1945.12.12
申请人
LANDIS TOOL COMPANY
发明人
HAPPEL WILLIAM E.
分类号
H02P7/34
主分类号
H02P7/34
代理机构
代理人
主权项
地址
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