GB/T 12459  异径三通 DN 650×650×90-Sch40STR

DN 650×650×90-Sch40S TR

WN100-100 RF Sc/ RJRFs1�@/000-180sF/10@fa�.5 RJ2A==3Mh80SSF

3 RF 1300-0.6

3 RF 1300-1.0

PL 250(B)-6 RF

bl80-16rf°p60

SW 25(B)-63 RF/u0

SO 400(B)-16 RF1F@F-16 RFS300

PL80(B)-16 RFeke1..0

bl25-16 rf508@@rfc�5 RJ-S.5 RJR