Safety codes for the prevention of dust explosions :  supplement to bulletin no. 562  / 
National Fire Protection Association and United States Department of Agriculture, sponsors. 
 - [1936 revision]. 
 - 1 online resource (iii, 29, iv pages) :  illustrations. 
 - Bulletin ;  no. 617 .
 - Bulletin of the United States Bureau of Labor Statistics ;  617. .
<br/><br/> "Supplement to bulletin no. 562."  "American Standard, approved by the American Standards Association."  "January 1936"--Page 1.  At head of title: United States Department of Labor, Frances Perkins, Secretary. Bureau of Labor Statistics, Isador Lubin, Commissioner.  Also issued as House doc. 256. 74th Cong., 1st sess.  Publication pre-dates Federal Depository Library Program (FDLP) item numbers. No FDLP item number has been assigned.  CRDP Program record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dust explosions--Safety appliances--Standards--United States.<br/>Industrial safety--Standards--United States.<br/>Dust explosions.
<br/><br/><label>GPO Item No.: </label>0768-A-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>L 2.3:617