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发明名称
Air-pressure indicator
摘要
申请公布号
US1796244(A)
申请公布日期
1931.03.10
申请号
US19280308788
申请日期
1928.09.27
申请人
ROBERT COURCHESNE
发明人
COURCHESNE ROBERT
分类号
B60C23/04
主分类号
B60C23/04
代理机构
代理人
主权项
地址
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