GB/T 9124.1  法兰 DN250-PN10 PL FF Ⅱ 61

DN250-PN10 PL FF Ⅱ61

WN65-63Mm6.6/55 RF 3F

SO 50-150 RF.html)-170-01 B54=45 C=45F00/

SO 600-150 FF D=1289 N=1111.2

wn250(B)-100 fm00f

wn32B-63RF6rfB=R

PL150-150 RF S6rf5f50RF25FFM

47023 RF700-2.5 50-1200

SO 65(B)-160 RFrfSch4007-15r=

SO 50-40 G B=5