United States government master specification for rubber valves.
Series: Circular of the Bureau of Standards -- no. 244; Federal Specifications Board specification -- no. 114a
Publisher: Govt. Print. Off.
Published: 1925
Place of publication: [Washington
Language: eng
Subjects: Rubber.; Valves.
Other titles: Specification for rubber valves
Notes: "Issued June 15, 1925."

At head of title: Department of Commerce. Bureau of Standards.