GB/T 12459  翻边短节 DN 42-Ⅱ-2.77LJS

DN 42-Ⅱ-2.77 LJS

WN300-10 RFch1SFpampamp

bãƒâ¢ã¢â‚¬â¦ã‚â 500-s /@47022 rf1000-1.0

PL200(B)-10RF

PL 50(B)-10 RF B=61.5+0.2 D

HG/T21521 WN450-25RF

BL80-150RF9000-1=12/60/ S=3.522.4 D=1F D0 L=10ndefi5

WN150B-150 RFFF-61.5Fr90S Sc

4702