HG/T 20592  法兰盖 BL 350-6 RF0RF25orum.h=60WN20-r

BL350-6 RF0RF25orum.h=60WN20-r

BL 10"-150 RF180a=75-116š.6/160R

SO150(B)- 25RF.6FB=14660-33ch16

BL 200-16 RF n=8 L=23

WN 65-300 RF B=56.1,S4-

WN32-300RF S0RF S/h80451.0=0F100

WN 80-16 RF3=36.4n=5-16

SO 200-150 RFFM70uothg20615F50F/Sch40c=25

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