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发明名称
Pneumatic control apparatus with follow-up
摘要
申请公布号
US2780230(A)
申请公布日期
1957.02.05
申请号
US19530373424
申请日期
1953.08.10
申请人
GENERAL ELECTRIC COMPANY
发明人
FREEMAN JOHN D.
分类号
G05D16/20
主分类号
G05D16/20
代理机构
代理人
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地址
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