GB/T 12459  异径三通 DN 1400×1400×50-Sch140TR

DN 1400×1400×50-Sch140 TR

PL150-10 FF C=20 L=2/ BÃ¥j A

WN300(B)-16 RF S=12rfb=65.0sRJ0000(B)195e40-B/5

WN 20(B)-40 TRF/68F B=93

47021 -FM 1700-0.6/mmpampampampampa

WN100(A)-25 RF Sch401.0=30s700

bii4000�

21520BL150(B)-10Mgg06FF-0592-2�m4RF

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