Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
United States government master specification for calcined gypsum
Specification No. 248, officially promulgated by Federal Specifications Board on Nov. 5, 1924, for use of Departments and Independent Establishments of the Government in purchase of calcined gypsum.
United States government master specification for calcined gypsum
Specification No. 248, officially promulgated by Federal Specifications Board on Nov. 5, 1924, for use of Departments and Independent Establishments of the Government in purchase of calcined gypsum.
United States government master specification for calcined gypsum
U. S. Bur. Standards, Circular
1925
6 pages
1 Fig.
Report
Englisch
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United States Government master specification for fire clay
Engineering Index Backfile | 1926