NB/T 47065.1  支座 BⅠ 24066ch425(B)-40RSch80F000u00c6/public

wn50(B)-150ff SCH40/200u1c2Sh=/000= FF5rf

wn450(b)-16mfrj

wn32-300 rf sch4042)ch30F5(0h920-150 RFfF

WN500(A)-25 RF S=20Sch1601

.wn500-150rf10fm5.50rfh

20615 wn50-600rf4=40

WN 50(B)-16 RF S=2.5

BL50-16RF

PL25(B)-40 RF

SO100-150 RF-16 RF10R0e5/ S=2.5Fs