GB/T 12459  弯头 DN 80-Sch4090ESS=82-150 rf0 rf

DN 80-Sch40 90ESS=82-150 rf0 rf

so 200-10rf)-B=rjHFo

so50-25 tS)-1l4F009-1.

PL50(B)-10 RF

BL450-10M2.5F-40fm0f

47022RF1800-1.0

BII 10005-4

PL300(B)-10 RF

BL500-16 RFf1400RJ60 K=22F

47023 rf300-1.6/@265.80(b)0.6 BI 242/mphj@5@RFSc5/�S RF R050010Fj@5