NB/T 47021  法兰 FM 325-1.0 δs=6RF15RF6Sc2@RF@443RF@A43RF@AFF@P2@Fj@5@F Sc��

1 FM 325-1.0 δs=6RF15RF6Sc2@RF@443RF@A43RF@AFF@P2@Fj@5@F Sc��

47023 RF 600-1.6BL RF&=&;eqid=80ebfc4e000393e3000000055a

SO500-150 RF undefined=927.1

SW 1/2"-300 RFRh80S@RF@

SO600-150 FF B=616 N= H=

SO600-150 RF Sch40s

47065.3 B6Fch40S44F-R�