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chengdu Zhiyuan Got the Ivention Patent——a way of welding mid-high carbon steel

Author：admin  Source：成都植源  Time：2014-8-21

 

Chengdu Zhiyuan Got the Ivention Patent

                ——a Way of Welding Mid-high Carbon Steel

 

 

                    For more patent information, please click http://www.7zzy2.com/ehonor.asp?id=8

 

? 2014 Chengdu Zhiyuan Machine Science & Technology Co., Ltd. / TEL：028-85266505 85266063 85266506 / FAX：028-85266506-8009 / Email：cdzykj2002@163.com
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