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2007
|
Invention
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Concrete block edges and surface treatment machine. The present concrete block edges and surface ... |
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2006
|
Invention
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Feeder for tumblers.
A feeder to supply blocks to a tumbler having a block inlet from a generall... |
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2005
|
Invention
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Apparatus and method for roughing surfaces of concrete casted blocks.
An apparatus and method fo... |
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|
Invention
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Apparatus and method for roughing surfaces of concrete casted blocks. An apparatus and method for... |
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2004
|
Invention
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Method and apparatus for resurfacing concrete blocks. The block resurfacing system (20) comprises... |
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Invention
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Concrete block surface treatment machine. The concrete block surface treatment machine is used fo... |
