GB/T 12459  弯头 DN 500-Ⅱ-9.5390EL)-

DN 500-Ⅱ-9.53 90EL)-

APA-2

PL150(B)-10 RF

WN50(B)-16 RJ0

WN150-150RF sch4-42 h=105

WN10-2500 RF6 RF SchR=

47065.3 B5

WN200(B)-63M S=8

wn200-16rfSch

LWN 2"-900 RJ Sch160H40 S=16 H1=h40 Sch80&32B RF0A Sch40III HG/FM-4.F000411F@0rf62SFRJsRF@6F