GB/T 12459  等径三通 DN 500-Ⅱ-8TSF4R4.g16R/0

DN 500-Ⅱ-8 TSF4R4.g16R/0

BL600-150RF7*3.5a)-2.5 RFRF

NB/@PL100(B)-16 RF)

SO20-16 FM/F Sch40

BL400-25RF45-ch

ASME B16.47 WN500-150RF

WN 50-150 RF S=9F RF Sch402520δ0=18 RF S=4.5

WN 1500(B)-10 RFF4 Sch1RmRF4data5 RJ0SMch80

SO 50-300 RFPL500(B)-16

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