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经营范围
发明名称
Valve stem
摘要
申请公布号
US2444449(A)
申请公布日期
1948.07.06
申请号
US19430480881
申请日期
1943.03.27
申请人
KEARNY CRESSON H
发明人
KEARNY CRESSON H.
分类号
A61F5/34
主分类号
A61F5/34
代理机构
代理人
主权项
地址
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