GB/T 12459  等径三通 DN 250-6TSRF00

DN 250-6 TSRF00

WN FF 10K 450A S=10

pl 300(B)-10 RF

3 FM 700-1.6F Ⅱ S=30 RFF D4FRFS=6

BL 500-10 FM50-6 DNJ-12p-1.6/40S==4

3 RF 1000-1.6 δ0=10

BL350-16 RF9.16FM000/

47021 RF 1500-0.25/48-510-150rf0rf6rfr44040RFR.0/u00c3/S=4.5

WN50-600RF

2 RF 1900-0