Structural block

Details Structural block Structural block

1996-08-26

1997-12-02

Barkai, Raphael

Building units and construction elements

Architectural stock material

Construction block or brick type

2501

Patent

active

D03871835

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Proudfoot Company, Inc., "SOUNDBLOX--Sound-Absorbing Structural Masonry Units".
Proudfoot Company, Inc. Spec-Data "Sound Absorbing Masonry Units".

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