Punches: basic ball-lock, light and heavy duty.
Contributors: National Association of Punch Manufacturers.; American Society of Mechanical Engineers.
Publisher: American Society of Mechanical Engineers
Published: 1968
Place of publication: New York
Language: eng
Number of pages: 26
Subjects: Punching machinery -- Standards.
Notes: At head of title: USA Standard.
"USAS B94.18-1968."
"Collaborator: National Association of Punch Manufacturers. Sponsor: The American Society of Mechanical Engineers."