GB/T 12459  等径三通 DN 1500-10TSsc

DN 1500-10 TSsc

PL100(B)- 6FF17-R60/1200RF1F/G800 R-1.6RF ⅡFF,S

so25(b)-150ff Sch80S5-400mp090pamp

PL80B)-40RFF00-4.10RJsAbp3 c=

PL25(B)-25 RF ,H/S=16 a=

wn15-40rj8Mfs

PL125(B)-25 FFF09 WRFRF80sd=13

WN 50-300 RF

PL50(A)-16 RF 24件48pam

PL100(