GB/T 12459  弯头 DN 400-Sch4090ESrf05920 BB=2024f/.5/59h1-1.6 δ=5

DN400-Sch40 90ESrf05920 BB=2024f/.5/59h1-1.6 δ=5

LWN300-150RF H=450

WN80(A)-16RFS=23F84050s

WN25B-63FM S=4.500 Rpam

BL 50-100 FM¬©βïΪ PL48(B)-6

BL 25-300 RFJS=388092 wn 2

SO 100(B)-10 RF b=6H5RF

SOP FF 10K 50AРҪвҢ WN40(B)-63

JWN 100×150(