Specifications and standards for NASA engineering data microreproduction systems
Series: NHB 1400.4A
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 133
Subjects: Microfilm aperture card systems; Engineering drawings; Microphotography; Information storage and retrieval systems
Notes: Cover title.

"NHB 1440.4, July 1966, is canceled."