GB/T 12459  弯头 DN 300-8.3890EL224S40Ss=6D

DN 300-8.38 90EL224S40Ss=6D

wn80-150rJsch40l1I/0-R3 80(b)-IFf.6/5�77.

PL25(B)-16 RFc B/ S=3.2

WN350B-16RFf/in0-150RF10222

BL125-6RF0RFFF RFml-Sch20 TRRJWN80(B)-

so150(B)-10RF20-FBB=/1

WN 125-25 RF fm10 δ1=10 M

WN40-40RF S=7/HFM0

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