C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
149/21
C09K 13/08 (2006.01) B08B 3/08 (2006.01) C11D 3/02 (2006.01) C11D 7/08 (2006.01)
Patent
CA 1136970
ABSTRACT OF THE DISCLOSURE An aqueous composition for cleaning masonry containing sulphuric acid, hydrofluoric acid, chromic acid and a water miscible wetting agent.
325783
Gowling Lafleur Henderson Llp
Zervopoulos Panagiotis
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