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机电部4431厂工人杨彦方研制的机夹式双头平面刨刀近日获中国专利权。这种新型刨刀改变了传统刨刀的结构和几何形状,不仅比一般刨刀用料减少1/3,
Mechanical and Electrical Department 4431 factory workers Yang Yanfang machine clip-type double-head plane planer recently won the Chinese patent. This new type of planing knife has changed the structure and geometry of the traditional planing knife, which is not only 1/3 less than the general planing material,