HG/T 21574  吊耳 SP-48

SP-48R

PL65(B)-6 RF b=3

47021 C-Fm450-1.60

WN 300(B)-16 RF S=3095

47065.3 B9738

1 RF 450-1.0ch

BI 79577

WN RF 10K 250A Sch10S

BI 723

WN10(B)-10 RF-10RF S=10m-20=1RF40rf.5/ 1-10ff c=�10/35(0F@RFch60@RF@4 Rch44060f RF Sch12.5 RJ-R�RF@RRF SCH40RF.5�