GB/T 12459  弯头 DN 90-Ⅱ-245EL

DN 90-Ⅱ-2 45EL

47022 m700-1.6

BL50-150 RF BB=51.5 RJF2Fa1& (�@RF@4w5 Sch60fo19O116rImrhmFS5

A 4200Kc9RClass150 S

WN80(B)-25fm S=6

WN 50(B)-16 RF S=4@RF R0 LT00 LT@RF=ampampamp

so25(b)-150RF S=4

BL150(a)-150RF� RJ R

WN50-300 T Sch8

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