GB/T 9124.1  法兰 DN600-PN16 BL RF Ⅱ MB=100)-16Frf5S=1(B)

DN600-PN16 BL RF ⅡMB=100)-16Frf5S=1(B)

BL450(B)-10 RF�б■б°п╟п�000-M)-16

WN150-300RF-Sch80=12770-2.5-55/ sch40s=

BL100(B)-10GS=12502 H61ampampa00-40 f-2.5/

BL50-10RF140aa=14S=m6-19/0S.hgcad.c

BL80-16RF6h80SR00sF0 s=5.0CH00663b=150R

LWN