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经营范围
发明名称
Servo-motor
摘要
申请公布号
US1756910(A)
申请公布日期
1930.04.29
申请号
US19270227376
申请日期
1927.10.20
申请人
C. P. BOLLMAN
发明人
FULLER CHARLES H.
分类号
G05D13/00
主分类号
G05D13/00
代理机构
代理人
主权项
地址
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