Ultrasonic seam welding technologies of
copper plate and tube for collecting solar energy
TANGYong(汤勇),WANZhen-ping(万珍平), LIUYa-jun(刘亚俊),LIUShu-dao(刘树道)
Transactions of Nonferrous Metals Society of China ›› 2003, Vol. 13 ›› Issue (02) : 402-406.
Ultrasonic seam welding technologies of
copper plate and tube for collecting solar energy
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