Building units and construction elements – Architectural stock material – Construction block or brick type
Patent
1997-03-11
1999-06-22
Barkai, Raphael
Building units and construction elements
Architectural stock material
Construction block or brick type
D25151, 2101
Patent
active
D04113136
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Sweet's Homebuilding & Remodeling Cat. p. A135. 1994.
Barkai Raphael
Budzyn Ludomir A.
Casella Anthony J.
Hespos Gerald E.
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