OECD standard code for the official testing of small engines used in agriculture and commercial horticulture. 

 - Paris :  OECD ,  1970 
 - 36p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural mechanization
<br/><br/><label>Dewey Class. No.: </label>631.3  / OECD