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发明名称
APPARATUS FOR CONTINUOUSLY CONTROLLING AND AUTOMATICALLYMAINTAINING AT CONSTANT LEVEL THE LIQUID PRESSURE IN HYDRAULIC SYSTEMS
摘要
申请公布号
PL268861(A1)
申请公布日期
1989.05.30
申请号
PL19870268861
申请日期
1987.11.16
申请人
GWIAZDA JAN B
发明人
GWIAZDA JAN B
分类号
E21D;F15B;F15B13/02;(IPC1-7):F15B/;E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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