HG/T 20592  法兰盖 BL 450-25 RF25fп©Б√▓п▒Б√═Б∙

BL450-25RF25fп©Б√▓п▒Б√═Б∙

Pl 150-25 RF D=299 B=161 b=3 C

SP-3ch80 rf800 Rrf0c3/u R0)-6 RFRF=h110c6rfR60RRF/ SH400006dsob=5F0050

PL 100(B)-16 RF0F S=3 S=30 Sch40S150 RF Sch40S=

WN 300(B)-16 RF S=6

BL 200-150 RF

SO 1"-150 RF

PL25