GB/T 12459  弯头 DN 40-690ELmpa

DN 40-6 90ELmpa

PL 40(B)-16 RF00-1.04.0/6bb=9

PL 80(B)-16 RF b

BL200B-10RFwn50b-16rfRF0135-900 RJ00-0.6/u00RFB)06 �65

SO80-150 RFmpaS5 R

WN20-16 RFFFfm

WN 600-40 FMFSch5S SCH/1M S=12 MX=Nmpampa-1.65 RF/

WN250(B)-160RF-85t0RFM00(630-8/009

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