GB/T 12459  等径三通 DN 400-20TS8h12

DN 400-20 TS8h12

so 250(b)-16 rf s=61400-4.00S.B)-16 RFRFM6RF=

pl40b-16 rf

WN 100(B)-25 RF Sch80S=706AA800S=64

WN 50(B)-63 M

BL250-40TEL8Fu0/hmpcRF-3

bl125-100 rf6p°-1R-1.600b

SO3"-150 RFC MS=FM S=12II.5Fch8016f/655mRF4data5 RJ0SM

PL80(B)-10 R