NB/T 47065.1  支座 A 2107

4 A2107

WN80-16 RF A=89 S=5

LWN15-150RF H=107

WN 18"-300 RF Sch40S

WN32(B)-16 FM

WN50-150 RF Sch3475 Sch80S�rFFmpa1217.5 RJj@5c2@RF@443RF

WN250-150 RF B=249

WN 8"-600 RF Sch40S

DN25-PN25 WN RF Ⅱ S=3.5

3 B4213B)-16 RF S=2074S=9.52F.60