GB/T 12459  翻边短节 DN 800-Sch10SLJS��1@RF8@R

DN 800-Sch10S LJS��1@RF8@R

PL 40(B)-16 RF B=40.3 b=0

LP-19c/6

WN25-150RF B=24.6-300rf0.60-1.6 R

WN32B-16RFT3F200-1790m345F190ch80Fb)-22-21D=560

DN50/PN25/01B

SO 20(B)-6 FF

WN250(B)-16FF.5 RJ@6R100-@

LP-2FF6PL8FS=

WN250 -600RJ40 rfr9€¦vlet0M2