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经营范围
发明名称
INDICATING DEVICE
摘要
申请公布号
GB8903892(D0)
申请公布日期
1989.04.05
申请号
GB19890003892
申请日期
1989.02.21
申请人
SIMPSON, SIDNEY W
发明人
分类号
G01F23/18
主分类号
G01F23/18
代理机构
代理人
主权项
地址
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