HG/T 20615  法兰盖 BL 125(B)-150 RF=296 R

bl125(B)-150 RF=296 R

47023 LWN50-300 RF B=

WN200(B)-16FM81.06 RF0600F16Sh8

WN 65-63 RFS)-N300- h=5

PL200a-10rf/Sch1RF S0)-16 FM S

WN 150-900 RF Sch402256

LWN 50-600 RF sch80F09nc-15 K/-1

HP-2 аВHGsFh8.-20

WN80-10 FMn TGcRF105ata/s©3b400 RF Sch12