NB/T 47021  法兰 C-RF 1200-0.6 δs=10-450c-1.6=3rfS=4-1.0476scF ScSch0=rft

47021 C-RF1200-0.6 δs=10-450c-1.6=3rfS=4-1.0476scF ScSch0=rft

PL40-16 FFSc70.5schker

BL100(B)-16 FMN100О rf00 R

WN80(B)-600 RJ40.0.6 Sc’آ°ذ H=4

WN 100-600 FM S=6F032/u0403δ0=2275FFB=2

WN3/8-300 RF Sch400� s=3 a=212503h=010j5 RF SrjB- B

SO