GB/T 12459  管帽 DN 40-3.5C Sch40

DN 40-3.5 C Sch40

WN300-150RF0/@-16rfRF0RJ(JFRJsRF@F S rf 1

BL50(B)-40fM60(JFRJsRF@F S rf 1

WN 300(A)-16 RF S=4.5

SO 200(A)-16 FMs

IF15-150RF0/14F

WN 300-300 RFA 10-4.@Rh-0F0@bfdRF@A 10-4.@Rh-0F0@b0 RFRFRFI0-�

PL100(B)-10 RF0 RFBC RF 1

WN60-300RFSc