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单株立木树冠采种是当前国内外林木种子园、母树林的常用方法。为满足该项作业性质与条件的基本要求,辽宁省林科院林机窒研制了1ZT-8-SJ型升降式采种梯及1ZSS—0.25型手持采种梳等。上述两种新产品分别获准国家专利局86204610、86204578号专利审请。 1ZT-8-SJ采种梯是一种能使采种工接近冠缘,带有随动折叠式安全护腰环和梯身可伸缩的便携式铝合金梯。该梯由3部分
Seedling canopy planting single tree is the current domestic and international tree seed orchard, the common method of parent tree. In order to meet the basic requirements of the nature and conditions of this operation, Liaoning Academy of Forestry Lin Chi stifled the development of 1ZT-8-SJ jacking ladders and 1ZSS-0.25 hand-held combing and so on. The two new products were approved National Patent Office patent 86204610,86204578 patent applications. 1ZT-8-SJ Seeding Ladder is a portable aluminum ladder that allows growers to approach the crown edge, with a fold-up safety waistband and retractable ladder body. The ladder consists of 3 sections