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发明名称
Volumetric hydraulic system for precisely controlling position
摘要
申请公布号
US2613703(A)
申请公布日期
1952.10.14
申请号
US19500171040
申请日期
1950.06.29
申请人
CALVERT HARRY B
发明人
CALVERT HARRY B.
分类号
F15B11/13;F15B13/04
主分类号
F15B11/13
代理机构
代理人
主权项
地址
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