Index of materials, parts and appliances certified under technical standard order system. 

 - [Washington, D.C.,  1973]. 
 - [1], vi, vi, 75 p. 
<br/><br/> [Aug. 27, 1973].  Cover title.  Distribution made by issuing office.  [Advisory circular] AC 20-36C.  [Issued with perforations].  4to.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes--Equipment and supplies--Certification.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8:OR 2