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发明名称
Hydraulic control system for hydraulic piston type control valves
摘要
申请公布号
US2620777(A)
申请公布日期
1952.12.09
申请号
US19460641300
申请日期
1946.01.15
申请人
ELECTRAULIC PRESSES LIMITED
发明人
TOWLER JOHN MAURICE;TOWLER FRANK HATHORN
分类号
B30B15/18
主分类号
B30B15/18
代理机构
代理人
主权项
地址
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