Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicosis
Quarry dust must be reduced to at least 5 mg. per cu. in. to reduce possibilities of phthisis which is greatly dependent on proportion of free silicon contained in stone worked.
Silicosis
Quarry dust must be reduced to at least 5 mg. per cu. in. to reduce possibilities of phthisis which is greatly dependent on proportion of free silicon contained in stone worked.
Silicosis
Quarry Surveyors' Contractors Jl
1929
2 pages
Aufsatz (Zeitschrift)
Englisch
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