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发明名称
PRESSURE-MODULATING VALVE
摘要
申请公布号
US3547157(A)
申请公布日期
1970.12.15
申请号
USD3547157
申请日期
1969.06.19
申请人
DEERE & CO.
发明人
ROGER LAYTON JACKLIN
分类号
B60T13/14;F16J3/06;F16K7/18;F16K11/02;(IPC1-7):F16K11/02
主分类号
B60T13/14
代理机构
代理人
主权项
地址
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