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发明名称
Control valve
摘要
申请公布号
US2215172(A)
申请公布日期
1940.09.17
申请号
US19390307461
申请日期
1939.12.04
申请人
CHRISTENSEN CLARENCE A
发明人
CHRISTENSEN CLARENCE A.
分类号
B60T13/58;G05D16/06
主分类号
B60T13/58
代理机构
代理人
主权项
地址
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