. . "United States" . . "Food products machinery (industry 3551)"@en . . "1982 census of manufactures. Preliminary report. Industry series. Food products machinery (industry 3551)"@en . . "Census of manufactures (1982). Preliminary report"@en . . "Statistics"@en . . "Industry series, food products machinery (industry 3551)"@en . . . . . "United States. Bureau of the Census." . .