GB/T 12459  异径三通 DN 1300×1300×15-Sch160TR-1.6/B56RFF F/ S=20

DN 15×15×1300-Sch160 TR-1.6/B56RFF F/ S=20

20623M900-4-30

1 M 600-104

WN 150-150 RF0-235=10h40

pl125(B)-16M)S=4

47065.3 B580 H2-FF B1=28.5 C0rf Sg20615 wn=154-02000070-15ampa08 S=

1 M 800-1.0b=1RF B=297RF=382FcRFgh25S=2402 RF/Sch80RF-1L600

3 M650-