sigh007 发表于 2012-3-23 11:11:21

MIL-STD-1947


                   MIL-STD-1947, MILITARY STANDARD: ULTRASONIC WELDING OF ALUMINUM AND ALUMINUM ALLOY MATERIALS (15 MAY 1985) ., This standard established the requirements and procedures for joining assemblies by the ultrasonic welding process.         
         
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