HG/T 20592  法兰盖 BL 150-16 RFrf-0.6B)-161=77d.50-40rfA.31.60,40

BL 150-16RFrf-0.6B)-161=77d.50-40rfA.31.60,40

WN40-600Rf S B1=102/ СҶв””СҶв•ӣР‘в”ҖВRF Sch40SS=510R1=1

PL150(B)-40 RF d=2F

WN80-40MM1l25(a)-16

PL40(A)-16 RF615Sch40l 32

WN700-16 RF f02BL5.h6L=/60-190F18f/m00-0.6

SOP RF 10K 50AcH