HG/T 20592  法兰 PL 800-2.5 RF

Pl800(A)-2.5 RF

WN80(B)-16 RF1112

WN550-150 RFRRFde0.5 RJ R1cBch40S0SS5 RJ7)-63 RF61-12�60 RF.6 RFc2@RF@4mp

023 FM2100-1.

PL 200(B)-10 RF

BL 32-16 RF188m.Sc

2 A2301

WN 4"-150 RF Sch2182�

bii 5157(B)-16 RF2536cFRFN1§A 1000-�� 86rf)-16