DEVICE FOR BORING A STEPPED HOLE FOR RECEIVING A POST OR THE LIKE
- 专利权人:
- SOCIETE DE GESTION J-L. BIANCONE SOCIETE ANONYME FRANCAISE
- 发明人:
- DAGNAUD, JACQUES
- 申请号：
- EP19790400367
- 公开号：
- EP0006786(B1)
- 申请日:
- 1979.06.06
- 申请国别(地区):
- 欧洲专利局
- 年份:
- 1982
- 代理人:
- 摘要：
- 来源网站：
- 中国工程科技知识中心
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