GB/T 12459  弯头 DN 300-Sch40S45EL H=17100F�

DN 300-Sch40S 45EL H=17100F�

bl150-6fm6PFMRF120R

PL80(B)-6 RF d=127 RF S=65 B=8ŽÂ´=5

DN350-PN10 BL

WN 600-150 RF40S060=40sur84-160FF SCH8F�Ѕ

WN200-100RJ-

PL600-25RJh40T2b/1

LWN 50-150 RF Sch80S D WN40-RF75GSO104fh0RF15016rf0F0016 RFR@B0�J

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