HG/T 20592  法兰 PL 100(B)-16 RF b=30 S-165

pl100b)-16rf b=30 S-165

BL65-25G230rf50-300

BL15-150 RF Scham(15.=1535 n=00-f Sc

so100(B)-300 RF S=4MRF17

PL200(B)-10 RF500RFF SB16h40& b=0(B)-16

so50(b)-16 rf b1=38

SO 500(B)-16 RF0�

WN32-600 T Sch4016PL400pl200 R/

pl100-40 m6

PL150()-6RF09F B=F-p