Application specification
1.GB/T12238-2008、JB/T8527-2015
2.Flange connection size:GB/T9124、GB/T17241.6
3.Structural length:GB/T12221
4.Pressure test: GB/T13927
Application specification
1.GB/T12238-2008、JB/T8527-2015
2.Flange connection size:GB/T9124、GB/T17241.6
3.Structural length:GB/T12221
4.Pressure test: GB/T13927
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