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气压式单孔冲孔机BD-623 1.本机采用红外线定位 2.本机适用于鞋面单孔冲孔,代替手工冲孔,实用性强,经济实惠。 BD-623 Air pressure type single hole punching machine 1. The machine adopts the infrared positioning. 2. The machine used to upper single hole punching, instead of manual punching. It is practical, economic benefits.