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经营范围
发明名称
Folding ruler.
摘要
申请公布号
EP0448506(B1)
申请公布日期
1994.08.10
申请号
EP19910810067
申请日期
1991.01.29
申请人
ETABLISSEMENT SINOVAL
发明人
WALSER, WERNER
分类号
G01B3/06;(IPC1-7):G01B3/06;G01B3/00
主分类号
G01B3/06
代理机构
代理人
主权项
地址
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