HG/T 20592  法兰 PL 32-16 RF b=3 d=78

PL32(A)-16 RF b=3 d=78

BL 15-600 RJ405S=7sch1=�0C2f1Ach410

BL 250-25 RF92)6/42-F1800-S0pquothg20615 wn

B WN 700-150 RF S=7h140ch)-

WN80-25RJ S=00S=RFmq406ch820=0M─°п╒Б─■п═б

47065.3 B10=009 20592)6/42-F1800-S0pquothg20615 wn

BI 356=15