[国外标准] SAE AS 5986A-2008 fitting assembly, adapter ring locked port connection to beam seal 4000 psi and 50
[机械行业标准] JB/T 5986-2017 钢砂式安全联轴器
[航空标准] HB 5986~5988-2008 21MPa无扩口A型拧入式变径直通管接头
[石油行业标准] SY/T 5986-1994 调剖液配注车
[机械行业标准] JB/T 5986-1992 钢砂式安全联轴器