GB/T 12459  弯头 DN 50-545ELRF法兰�.F SCHampq50-Sum.ht

DN 50-5 45ELRF法兰�.F SCHampq50-Sum.ht

PL80(B)-16RFHG0B-16 RF00080

wn25(b)-25rf s=5f b=2S

SO500(B)-10RF-BF S=1

wn25(b)-40 rf s= S=612.9F B55=3.1

wn25-100mf0Srf87 l=22 h1=12 d

WN15-900 RF Sch40S9 f1=1.6 B=276.4 S

WN25-150 RF S=4.51. C60RF=1)-

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