HG/T 20592  法兰 WN 32-40 RF S=10Sn300-S=3 Sch00059@X@

WN32(A)-40RF S=10Sn300-S=3 Sch00059@X@

SO 4"-150 RF

wn65(a)- 16RFf8 s=8 RF

WN 150-16 RF Sch80

BL400-63 RJ.055b)-25B==60rjRF0 RF cm/J Smp

WN 750-150 RF S=12

PL 125(B)-16 RFch120 RF@4 RF пҝҪ50 r RRF0=4=5@F=&Rm=17600rj& RF0q/40-105

wn50-900rf.=