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发明名称
FLUID-OPERABLE DEVICE INCLUDING A PISTON FOR CONTROLLING FLOW THROUGH A PAIR OF PORTS
摘要
申请公布号
US3533446(A)
申请公布日期
1970.10.13
申请号
USD3533446
申请日期
1969.03.27
申请人
MARTONAIR LTD.
发明人
COLIN JOHN KIRK
分类号
F15B11/08;F15B13/04;F16K11/044;G05D11/00;(IPC1-7):F16K11/06;F16K31/36
主分类号
F15B11/08
代理机构
代理人
主权项
地址
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