发明名称 Air-bubble level for portable tools.
摘要 <p>Air-bubble level for portable tools which can be used and operated independently from any changes in position of the tool and which can be easily transferred between tools due to its articulated fastening device.</p>
申请公布号 EP0312171(A2) 申请公布日期 1989.04.19
申请号 EP19880202267 申请日期 1988.10.11
申请人 LA MAISON DENTAIRE S.A. 发明人 JACCARD, LEON
分类号 G01C9/28 主分类号 G01C9/28
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