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Trenching shovel
专利权人:
Ronald Lee Matson
发明人:
Ronald Lee Matson
申请号:
US15048364
公开号:
US09689137B2
申请日:
2016.02.19
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The trenching shovel is narrow at its digging end so that a lot less dirt is required to be removed. The trenching shovel has a three sided blade and the shovel point has a concave, sharp edge which partially wraps around a root to permit cutting of the root without the blade slipping off. The three sides are also angled slightly outward to help prevent dirt from sticking to the channel of the shovel and to compact the side edges of the trench to prevent collapse of the sidewalls into the formed trench.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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