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发明名称
Automatic control
摘要
申请公布号
US2129482(A)
申请公布日期
1938.09.06
申请号
US19340755291
申请日期
1934.11.30
申请人
VENN-SEVERIN MACHINE CO.
发明人
SEVERIN FRANK W.
分类号
G05D23/12
主分类号
G05D23/12
代理机构
代理人
主权项
地址
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