Automation, letter mail size standards.
Contributors: United States Postal Service.
Series: Notice -- 184.; Notice (United States Postal Service) -- 184.
Publisher: U.S. Postal Service
Published: 1983
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Postal service -- United States -- Automation.; Letter mail handling.
Notes: "May 1983"--P. [4]