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https://store.astm.org/rr-c09-1053.html
C0233/C0233M-Standard Test Method for Air-Entraining Admixtures for Concrete
standard test
for air
method
admixtures
concrete
https://store.astm.org/rr-c09-1005.html
C0233/C0233M-Standard Test Method for Air-Entraining Admixtures for Concrete
standard test
for air
method
admixtures
concrete