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经营范围
发明名称
Lubricated valve with lubricant vent
摘要
申请公布号
US2628808(A)
申请公布日期
1953.02.17
申请号
US19450621214
申请日期
1945.10.09
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
ERICSON GEORGE R.;SHIELDS ROBERT A.
分类号
F16K5/22
主分类号
F16K5/22
代理机构
代理人
主权项
地址
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