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A-A-50210 Revision A Notice 3 - Validation:2019
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Rods, Level, Philadelphia
Amendment of
Available format(s)
PDF
Language(s)
English
Published date
27-11-2019
Publisher
This description covers Philadelphia-type level rods and targets with a seperate marking strip which are components of survey equipment and are intended for use as self-reading or target rods for measuring vertical distances from a horizontal line of sight.
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