GB/T 12459  等径三通 DN 550-Sch60TS S=59

DN 550-Sch60 TS S=59

wn25-150rf+s=4/C=1-682005�S=6cefined)-1pa5MFSG04035 R

PL25(B)-16 RFch80S b=4F Sc600 RF S00 s45 C=o4100RF s=

WN 15(A)-63 T6h40S=266

bl40-300fm40SOt C=90

pl500-10ff d=830 aa=650 k=7

so25(b)-25 rf b=

耳座 A1

WN 80-150 RF Sch40S