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Standard Insuued on: 2010-05

SY/T 6770.2-2010    Quality acceptance code of non-metalic pipe-Part 2:Steel skeleton polyethylene plastic composite pipe
非金属管材质量验收规范 第2部分:钢骨架聚乙烯塑料复合管
Category No.:SY Valid Status:superseded
Issued Organization:National Energy Administration Issued Date:2010-05-01
Implemented Date:2010-10-1 Abolished Date:
Superseded Standard.:SY/T 6770.2-2018
Superseded Date:2019-3-1
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DB41/T 619-2010   DB31/T 484-2010   DB65/T 3097-2010   DB65/T 3098-2010   DB50/T 352-2010   DB65/T 3078-2010   DB65/T 3094-2010   DB21/T 1813.9-2010   DB65/T 3144-2010   DB65/T 3141-2010   DB12/T 423-2010   DB65/T 3089-2010   DB65/T 3093-2010   DB65/T 3076-2010   DB65/T 3138-2010   DB21/T 1813.4-2010   DB65/T 3145-2010   DB65/T 3101-2010   DB65/T 3140-2010   DB65/T 3077-2010  

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