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Poussiere = coal dust

Type III—the S.G.P. (Securite-Grisou-Poussieres) explosives. These are used exclusively with an inert sheath and must not ignite methane or coal-dust in the following two tests ... [Pg.447]

See other pages where Poussiere = coal dust is mentioned: [Pg.39]    [Pg.39]    [Pg.197]    [Pg.154]    [Pg.153]    [Pg.237]    [Pg.237]    [Pg.699]    [Pg.237]   
See also in sourсe #XX -- [ Pg.59 , Pg.245 ]



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Coal dust

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