NB/T 47022  法兰 C-G 1400-4���70 rj221FM=4.2)-25 rf

2 CG 1400-4���70 rj221FM=4.2)-25 rf

SO 14"-2500 RJfFkh1 SRFBB5 RJа№Ӯf5RF20-150-4.0F40s1000 RF40-300 RF S

PL50-16RF RmpampampampampampampampampampampampampquotHG2

SO 100-150 RF S=5b=96.7 aa

BL200-16RF/485f c=2600F95PN3 SC6RF S/data

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