GB/T 29465  法兰 RF 1450-6.4/2

5 RF 1450-6.42

WN200-300 RF SCH80 b=0��� RF Sch12.5 RJ-RГ-610R@510RF50RFRFSF0sc@S/2@ RF5 RJ

LWN50-150 RF Sch40 H=25

B WN1400-300 RF=5 6أ¤A=9400-150 RF Sch40mpampamp;nbsp;y

BL250-16 RFH/u00csCH

SP-10 Sch60FFf=3h619w6R

WN40-16 RJ40)0 R

WN10