HG/T 20592  法兰 PL 450(B)-16 RF0RF-1/S/-10-)-16

PL450b-16RF0RF-1/S/-10-)-16

47023T800-1.0

SO 3/4"-150 RF PL10 SMFJ0061540 undefiFfscRF Sch10S½F sc

hg/t20592 pl350-16rf1标

PL40-16RF b=3.5

WN100-150RF D=345 N=246

3 FM 600-1.6

PL40-16RF

WN80(A)-40 RF S=4-F25 R��

3 FM 600-1.6 δ0=10�FFR M