炭塵爆発を抑制するがんふんの濃度について

On the quantity of rock dust to provent the coal dust explosion

By Shigen Gijutsu Shikenjo (Japan). Kyūshū Shisho

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Publish Date

1953

Publisher

Kōgyō Gijutsuin Shigen Gijutsu Shikenjo Kyūshū Shisho

Language

jpn

Pages

Description:

subjects: Mineral dusts, Dust explosions