NB/T 47065.1  支座 BⅡ 12001900-4.12 pl406

BII 12001900-4.12 pl406

wn50-150rJsch40/50-2.5-

BL50-63MFMh).5.6F19fmH R2-120S50

法兰BL500-2.5RF0 M0FM60

WN80-600Rj

wn40-300rf sch2-1.÷

IF 100-16 RF 12/0 RF6F.5h100080 B=38.1RF S=10

BLFF 20K200At4m0r,x/i RF.0R20/m6FF S=fs=3L25-16RFRFh40130

sp-2-F