NB/T 47023  法兰 FM 1000-6.4-50RF Sch40R5L=-

47023 -FM1000-6.4-50RF Sch40R5L=-

BI 650-sf=254.htm

PL500B-16 RFRF SchRF A

WN300-150RFц├R72.RF

WN 80(B)-63 RJ S=3

BL 150-900 RFrf0=70-165rf5/ RF b

3 CG 600-0.2520δ0=6

BWN1350-150RF46-Sch400um.105 R

2 FF 800-1.6S=5 RF

2 A1500 RF47023 FM850-1.6/9-