Safety in the Petroleum Industry 

 - Geneva  International Labour Office       1948 
 - 18 p  cm. 
<br/><br/><label>Standard No.: </label>154082 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X9(F 555) : 9.1.N48 t, H8/UN"