HB 5574-1983
柱面弯管接头
1984-08-23
HB 5579-1983
柱面三通管接头
1984-08-23
HB 5579-5581-1983
柱面三通管接头
HB 5569-1983
弯管接头
1984-08-23
HB 5548-1983
球面弯管接头
1984-08-23
HB 5571-1983
拧入式弯管接头
1984-08-23
HB 5571-5573-1983
拧入式弯管接头
GB/T 3740-2008
卡套式弯通管接头
24° cone connectors - Union elbow
2008-05-07
GB/T 5630-2008
扩口式弯通管接头
Flared couplings - Union elbow
2008-05-07
ADS AGS3439
Drain Trap, External, Straight Union. (Static)
排水存水弯 外部 直管接头 （静态）
1963-04-22
HB 4-10-2002
扩口式B型弯管接头
Elbow, B type, 45 degree, flared tube
HB 4-11-2002
扩口式C型弯管接头
Elbow, C type, 45 degree, flared tube
2003-02-24
SAE AGS3423-4
AGS3423 Elbow Union (Pitot)
AGS3423弯管接头（皮托管）
1961-04-28
SAE AGS1177-4
AGS1177 Pipe Couplings 90° Elbow Tube
AGS1177管接头90°弯管
1987-06-01
SAE AGS1178-3
AGS1178 Pipe Couplings 45° Elbow Tube
AGS1178管接头45°弯管
1943-07-10
GB/T 5632-2008
扩口式组合弯通管接头
Flared couplings - Swivel elbow
2008-05-07
GB/T 3752-2008
卡套式组合弯通管接头
24° cone connectors - Adjustable elbow
2008-05-07
JB/T 6382.1-2007
锥密封焊接式90弯管接头
Welding cone couplings 90° degree syphon male stud couplings
2007-03-06