HG/T 20592  法兰 PL 200-10 RF DH80S/FR.5-210Sr0f6 RF

pL200-10 RF DH80S/FR.5-210Sr0f6 RF

PL40(B)-10fF/-RF

bl50-150 RF RF)-16RF0/1=1== RFampampa706/63 Rh600040 δ0=1810/FM00(B)H=4

SO 100(B)-10 RFs=116rf7forum.

BL FF 10K 65Asch4 D=14FF0fCH60sch1rfÃwn50-25r3m.43.5

SO 150×200(B)-25T b=4

PL40(B)-25RFHG/T2