GB/T 12459  弯头 DN 32-Ⅱ-Sch1090EL

DN 32-Ⅱ-Sch10 90EL

WN20-600RF S=5

WN100-100RJ S=12

pl 50(b)-16 ff b=3 c=18H=17100-0.280F s5J.65=3F=30-30

WN 15-600 RJb40-bch40����77.5 RJ-1671@°Fsc�- 10Sch80/0S�����77.

PL25-6 RFFS=7f025RF

WN100-150RF B=90r

WN15-2500 RF A=1

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