JIS B2220  法兰 SOP FF 10K 50A п╢Б�0ot0

SOP FF 10K 50Aп╢Б�0ot0

SO 125(B)-16 RF S5RFSamJ30-10 r

BL250(B)-63 RFh401.0=91-170RJ HG/T20615

NB/T47065.3 B8

BL250-16 M2-

BL 150-900 RJ¶0mpampampampampam50-1.0 /u

BL50(B)-2.5RF)-63 RF0 HG/

WN 16"-300 RF Sch40

WN15-300 RF Sch40 B=13.8

B