NB/T 47023  法兰 C-M 500-4/06F

47023 C-M500-406F

LWN 10-300 RJ Sch40S

47023 FM1600-4.0/15

pl 80(b)-25 rfS=800-1

wn20(b)-16rfs5F00-1.000-6.45/wp-c=4(b)(b)-2Č4.0/185-2905900

EHA2100x16 RF=1F0 FFpcRF@

pl20-40 rj S5921F RFMu0h160S)-16 RF

bl 500-63 RF

47023 rf2200-1.0 δ=60 h=220

so