HG/T 20592  法兰 PL 65-16 FF B=78R=10 R40 R

PL65-16FF B=78R=10 R40 R

SO 40-300 T120e0RF S=12 HG20592-2/

20592 BL150-16RF00 fm0FM S=6F

WN 100-150 RF SCH805/

TPB-1RFFFFpa FM0Sch10S18200-cSc1B=4

SO200-150 RF000 RJ S=4FFFFcmpam b=24L=2aSX d==SCH80

BL15(B)-16M165009 WN

WN 350(A)-10 FF S=3

SO25