Asphalt roofing shingles from Canada
Subtitle: determination of the Commission in investigation no. 731-TA-29 (preliminary) under the Tariff Act of 1930, together with the information obtained in the investigation
Series: USITC publication -- 1100
Publisher: U.S. International Trade Commission
Published: 1980
Place of publication: Washington, D.C
Language: eng
Number of pages: 36
Subjects: Shingles; Slate roofing
Notes: Cover title

"October 1980."

Includes bibliographical references