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经营范围
发明名称
An airflow indicator
摘要
申请公布号
GB9405155(D0)
申请公布日期
1994.04.27
申请号
GB19940005155
申请日期
1994.03.16
申请人
NG TONY T W
发明人
分类号
G01F1/22;G01F1/28
主分类号
G01F1/22
代理机构
代理人
主权项
地址
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