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International Standard Category: Equipment for petroleum and natural gas industries in general

SY/T 5074-2004    Power tongs for petroleum drilling and well servicing
石油钻井和修井用动力钳 ;
Category No.:75.180.01 Valid Status:abolished
Issued Organization:National Development and Reform Commission Issued Date:2004-07-03
Implemented Date:2004-11-1 Abolished Date:2012-03-01
Superseded Standard.:SY/T 5074-2012 Power tongs and tongs for drilling and well servicing
Superseded Date:2012-3-1
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