PROCESS FOR PREPARING VEGETATION BEDROCK AND MUDDY BORROW SOIL BASE MATERIAL BLASTING NOZZLE THEREFOR
- 专利权人:
- KABUSHIKI KAISHA KUMAGAIGUMI
- 发明人:
- SASAHARA, JORUKU
- 申请号：
- EP19890301360
- 公开号：
- EP0328425(A3)
- 申请日:
- 1989.02.13
- 申请国别(地区):
- 欧洲专利局
- 年份:
- 1990
- 代理人:
- 摘要：
- 来源网站：
- 中国工程科技知识中心
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