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Date of Declaration Patent holder/company Standard Granted patent number or application 29/1/218 CSR Building Products AS 5146.3 (Reinforced Autoclaved Aerated Concrete) 2151164 (Wall Construction) 29/1/218 CSR Building Products AS 5146.3 (Reinforced Autoclaved Aerated Concrete) 21311218 (Wall Construction) 29/1/218 STAAC Walls Pty Ltd AS 5146.3 (Reinforced Autoclaved Aerated Concrete) 2131881 (Panel Wall Construction)