Press tool for punching strip material - has cylinder piston unit mounted on tool carrier which reinforces beam under surface 来自 掌桥科研 喜欢 0 阅读量: 3 申请(专利)号: DE19742461346 申请日期: 1974-12-24 公开/公告号: DE2461346A1 公开/公告日期: 1976-07-08 申请(专利权)人: SMG ...