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छाला बनाने की मशीन

स्वचालित ब्लिस्टर बनाने की मशीन

Thermoforming is the process of the heating a plastics sheet and shaping it with air pressure or vacuum on a mold. After the sheet is formed, it is cooled to obtain the final form. In vacuum forming a negative pressure is used in the molding step
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