Convention concerning the maximum  permissible weight to be carried by one worker 

 - Geneva  International labour office Geneva       1970 
 - 270p  cm. 
<br/><br/><label>Standard No.: </label>15,123 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:94.1p67, L0