Carbon dioxide extinguishing systems 1977. 

 - 1977 edition. 
 - Boston :  NFPA,  c1977. 
 - 93 p. :  ill. 
<br/><br/> Cover title.  "ANSI/NFPA 12, An American National Standard, July 18, 1977".  "NFPA 12". 
<br/><br/><label>LCCN: </label>55052266     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fire extinguishers--Standards--United States.