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Sealing-up zones of fire
Deals with coal mines on fire; stopping temporarily; construction and placing of masonry walls, brick walls, etc. Methods of applying walling, (1) to air exit first, (2) to exit and entrance simultaneously, or (3) to entrance first. (See also - no. 2867 Feb. 8 1923 p 69-71, no. 2869 Feb 24 1923 p 102-104, no. 2870 Mar. 1 1923 p 117-120)
Sealing-up zones of fire
Deals with coal mines on fire; stopping temporarily; construction and placing of masonry walls, brick walls, etc. Methods of applying walling, (1) to air exit first, (2) to exit and entrance simultaneously, or (3) to entrance first. (See also - no. 2867 Feb. 8 1923 p 69-71, no. 2869 Feb 24 1923 p 102-104, no. 2870 Mar. 1 1923 p 117-120)
Sealing-up zones of fire
Cerramiento de una zona de fuegos
Juan Sa´ (Autor:in) / nchez y Arboledas (Autor:in)
1923
2 pages
1 Fig.
Aufsatz (Zeitschrift)
Spanisch
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Springer Verlag | 1974
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