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US3211425A
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Airplane transporter vehicle
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US3182109A
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Method of making prestressed concrete pavement
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US3057272A
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Machine welded metal grating
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US2843205A
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Apparatus for punching corrugated metal plates
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US2833390A
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Conveyor system
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US2826970A
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Sheet metal airfield deck mat
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US2737093A
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Sheet metal airfield deck mats
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US2728276A
|
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Sheet metal air field deck mats
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US2740335A
|
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Grating for bridge floors and the like
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US2347904A
|
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Method of cold-working metallic bars
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US2321197A
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Airplane runway
|
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US2317454A
|
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Reinforcing bar for concrete structures
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US2270630A
|
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Grating structure
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US2250908A
|
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Piling section
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US2286204A
|
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Grating structure
|
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US2211375A
|
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Splice for steel bearing piles
|
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US2187318A
|
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Concrete bearing pile
|
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US2187315A
|
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Bearing pile construction
|
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US2187317A
|
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Bearing pile construction
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US2165190A
|
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Bearing pile construction
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