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发明名称
Servo unit
摘要
申请公布号
US2454551(A)
申请公布日期
1948.11.23
申请号
US19450580608
申请日期
1945.03.02
申请人
WILLIAM R. JACK
发明人
CARLSON BERT G.
分类号
F15B11/08
主分类号
F15B11/08
代理机构
代理人
主权项
地址
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