GB/T 12459  弯头 DN 900-1290ELO400-150RF

DN 900-12 90ELO400-150RF

WN200-16 RF/jwn2R5 nb=38 k=65 d=90f0mpamp

WN100-16RFFR1.u00hgfF

WN40-150 RF Sch40s

BL200-600 RJ)-10=4.5002.5=20RF/fo BB=20

BL25-100M\u00390ES/6tml.5ch40S 90ELR.140ss=2-25(B)-16

3FM1200-0.6pam2.9R

wn15-25 tFH80-h2

PL40(b)-10R