E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 2/86 (2006.01) E04F 21/02 (2006.01)
Patent
CA 2302972
A stay in place concrete formwork wall element comprises a major surface defining a portion of a face of the concrete wall, said surface having a plurality of uniformly sized and spaced apertures substantially throughout the surface allows concrete to seep partially through the apertures thereby providing an irregular trowelable surface facilitating the application of stucco or other wall coverings.
Barrigar Intellectual Property Law
Piccone Francesco
LandOfFree
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