HG/T 20592  法兰盖 BL 400(B)-10 RF00985 C

BL400(B)-10RF00985 C

JWN 80×125(B)-16 RF S=8

WN40-150RF

SO 6"-150 RF

WN 200(B)-25 RF S=10

WN50-150 FFmp3363 F-2

WN80(B)-16 RF6 RF Sch80h10sM4/ه…°w/0(B)6 δ0=16

bl 80(B)-16rFS=9p-content/plugTG=23 f¦

BL150-16 RFmpampm20rfRFM0

bl400-40M/mFB