Q41F/H、Q341F/H、Q641F/H、Q941F/H
Scope of application
Structure length according to GB/T 12221,ASME B16.10
flange connection standard according to JB/T79,ASME B1635
inspection and experiment according to GB/T26480, API598
Q41F/H、Q341F/H、Q641F/H、Q941F/H
Scope of application
Structure length according to GB/T 12221,ASME B16.10
flange connection standard according to JB/T79,ASME B1635
inspection and experiment according to GB/T26480, API598
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