NB/T 47065.1  支座 BⅠ 2785

BI 2785

BI 11609

BI 15527

WN 50-300 fm.0 rf.7i-16F

WN350(B)-100 FM RFJp m0

WN80(B)-16 RF1086

WN 50-40 RF-181h40S4k

WN 4"-150 RF Sch6766

WN 25(B)-25 RF S=449

47065.2 A5793ot;-150 RF Sch56220chSCh-RF SCH40PFFtFSch80S077.5 RJ R1c3.91Stc=28 l= n=6B)