GB/T 12459  等径四通 DN 580-Ⅱ-5.5CRS

DN 580-Ⅱ-5.5 CRS

WN25B-16RFS=4®/¤0 R80R0(b)-3- CF

DN65-PN16 BL RF6/0MB)0MB)6 RFRRF Sch4016 r

PL 100(B)-6 rF/0c RF Sch40

so50b)-40t(

pl25-16rf B=33 b=2

47022 C-T800-1.60/70-165.0f-16

WN 200-2500 RJ B=2

WN100-16RF50rp50-f20- mam10rf5 rf s

BL500-1