CHALUMEAU D`ARBRE ET METHODE D`UTILISATION
- 专利权人:
- FREDEDRIC;ADAM
- 发明人:
- ADAM, FREDEDRIC
- 申请号:
- CA3040102
- 公开号:
- CA3040102A1
- 申请日:
- 2019.04.12
- 申请国别(地区):
- CA
- 年份:
- 2020
- 代理人:
- 摘要:
- A tree tap and a method of using same. Tree sap, such asbirch or maple sap, is collected with the tree tap that has been inserted inthetree without forming a recess shaped to receive the tap prior to insertion.
- 来源网站:
- 中国工程科技知识中心