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经营范围
发明名称
Valve mechanism
摘要
申请公布号
US2704054(A)
申请公布日期
1955.03.15
申请号
US19530342077
申请日期
1953.03.13
申请人
NORRIS NORDENSTAM
发明人
NORDENSTAM NORRIS
分类号
B60S1/10
主分类号
B60S1/10
代理机构
代理人
主权项
地址
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