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Classification of work according to the degree of danger and hazard to workers.


Zustand des Artikels: Gut (mit sehr wenigen Gebrauchsspuren)
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Año: 1919
Idioma: Russian

Classification of work according to the degree of danger and hazard to workers. /Klassifikatsiya truda po stepeni opasnosti i vrednosti dlya trudyashchikhsya. # 18 St. Petersburg People's Commissariat of Labor, sub-department of Social Security and Labor Protection 1919. 94 c. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb084c8a8ead54778c
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