Valva baolina famoahana pneomatika
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Valva baolina famoahana pneomatika

1,Famolavolana sy fanamboarana:GB/T12237-1989;
2, Fanaraha-maso sy fitsapana: GB/T13927-1992;
3 ,Ffifandraisana lava:GB/T9115.1-2000.
4,Refy mifanatrika:JD-2002.












