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Dowel bar and expansion joint strip holder
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Bar installing device
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Expansion joint
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Lute
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Road building apparatus
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Road joints and method of producing same
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Road screed
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Method of and means for grooving plastic material
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Concrete-grooving device
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Concrete form
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Straightedge
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Combination concrete-mixer turntable and subgrader
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Means for and method of finishing concrete surfaces
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