HG/T 20592  法兰 PL 600-6 RF d-30=1

pl600a-6rf d-30=1

WN 15-2500 RF Sch8000RFT20592-

WN250-150RFSch40S406R

SO100(B)-25GFF/

SP-48=BRF Sch1H=h=156f5п═я°п┼п╩Б∙²п⌡я▌п╩�

so450-150rf=100g=65r24.3.B)

wn50-900 fm sch120F/

Pl250-16rf0 RF-25RF65 п═ชะฒ�

PL100-