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经营范围
发明名称
Lubricated valve
摘要
申请公布号
US2616657(A)
申请公布日期
1952.11.04
申请号
US19450615015
申请日期
1945.09.07
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
MARTIN CHARLES L.
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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