METHOD AND APPARATUS FOR BETTER DRINKING WATER FOR MEADOW CATTLE.
- 专利权人:
- HAVINGA METAAL
- 发明人:
- HAVINGA JAN
- 申请号：
- NL1039691
- 公开号：
- NL1039691C2
- 申请日:
- 2012.06.22
- 申请国别(地区):
- NL
- 年份:
- 2013
- 代理人:
- 摘要：
- 来源网站：
- 中国工程科技知识中心
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