Federal motor vehicle safety standard no. 121--air brake systems :
hearings before the Subcommittee on Governmental Efficiency and the District of Columbia of the Committee on Governmental Affairs, United States Senate, Ninety-fifth Congress, first- session ....

Description

Corporate Author: United States. Congress.
Language(s): English
Published: Washington : U.S. Print. Off., 1978-
Subjects: Buses > Buses / Brakes > Buses / Brakes / Standards.
Trucks > Trucks / Brakes > Trucks / Brakes / Standards.
Motor vehicles > Motor vehicles / Brakes.
Air-brakes.
Note: Hearings held Dec. 6, 1977-
Physical Description: v. : ill. ; 24 cm.
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