NB/T 47065.1  支座 BⅠ 2705

bi 2705

WN 150(B)-63 T Sch80S-6/@0×120RF300R=23

WN80(B)-16 RF48387

WN 250-40MFM-)-00Fc2o@40h40S FFO RFFRF Sch8

WN 40(B)-63 M06./rfRFt

LWN 20-300 RF

WN25-150RF S=10

法 兰 WN65-600 RF S=10

WN10(A)-40 RF

A WN 28"-150 RFF-300rf.5F40 r/@160 RJDc=4