GB/T 12459  等径三通 DN 450-4TSMRFFRF

DN 450-4 TSMRFFRF

SO150(B)-16FF6Ff./fompamp

JWN 350×450(B)-25 G S=12S=104.5ch80Ft.9FFMc

BL 40-16 RF��5100/

LWN50-150 RF Sch400-1.015

SO150b-40rfwe1 S=3.� M2.5 SCH1.3

WN15B-160M/hpe5yz1xuRFL25-40-

PL 300(B)-16 RFRFSc8RcRFFmH8100F0 FF5t

WN100