United States government master specification for stoppers, rubber.
Contributors: United States. Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 308; Federal Specifications Board specification -- no. 383
Publisher: Government Printing Office
Published: 1926
Place of publication: Washington
Language: eng
Subjects: Rubber.
Other titles: Specification for stoppers, rubber
Notes: "Issued April 19, 1926."

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