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Subject Concrete Remove constraint Subject: Concrete

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    • 1943-Jan-23

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use to enhance the durability of and speed the hardening process for concrete. The advertisement features a swirl of…

    • 1939

    Advertisement for Dowflake Calcium Chloride, a product of the Dow Chemical Company marketed for use as a curing agent to help facilitate water absorption during the preparation of concrete. The advertisement features …