GB/T 12459  同心异径管 DN 32×10-Ⅱ-8RC0/1

DN 32×10-Ⅱ-8 RC0/1

PL200(B)-10 RF b=1s=20 S=5RF C s=5H15056

pl25-16rf20592

BL200(B)-40M-600rj12 650S

WN32-900RF050- SCH4010RF S=5-116-RJ Ss00H/-1902=1

wn100-300rfsch40ss=6.3

gb/t9116-2010 so80-300rf

WN 500(B)-16 RF S=12teS

PL 125-25 RFpampac

4702