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上海仪表游丝厂在群众性技术革新运动中,试制成一种扭簧丝自动成形机,该机床外形结构见图。该机床能将厚度为0.004～0.015毫米的薄
Instrument gauze plant in Shanghai in the mass movement of technological innovation, trial production of a torsion spring wire automatic forming machine, the shape of the machine shown in Figure. The machine can be a thickness of 0.004 to 0.015 mm thin