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发明名称
Control valve for a pneumatic conduit system
摘要
申请公布号
GB829785(A)
申请公布日期
1960.03.09
申请号
GB19560011935
申请日期
1956.04.19
申请人
CORNELIUS DE VRIES
发明人
分类号
F15B13/04;F16K11/07;F16K27/04
主分类号
F15B13/04
代理机构
代理人
主权项
地址
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