magnolia springs, alabama · 2019. 4. 4. · ads n-12 st 1b pipe (per aashto) shall have a smooth...
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- Magnolia Springs, Alabama · 2019. 4. 4. · ADS N-12 ST 1B pipe (per AASHTO) shall have a smooth interior and annular exterior corrugations. 4-through 10-inch (100 to 250 mm) pipe
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Post on 17-Feb-2021
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