NB/T 47065.1  支座 BⅠ 3257

BI 3257

WN20(B)-100 m

BⅡ 17087

47023rf1500-1.6/Trmpampampampam400-14140000

SO25(B)-1500 RJ00-6s102/005M3f-

WN 150(B)-16 RF S=56RF.0 T0 RF S=450&6@4f schs=

B WN 56"-150 RFd/5Fh0RFhgII0=67/-1.06-20¡/00 d=43rfHHG

WN25-63T

BI 70137

WN40-600RJSCH4