Molded surface of a concrete product

The design is the shape of a concrete block as shown in the accompanying photographs. The most significant feature of the design is the shape of the front surface showing depressions and ridges.Photographs are included in which:Figure 1 is a front elevational view of a concrete block according to a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mugge Jimmie L, Johnson Jay J
Format: Patent
Sprache:eng
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