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2010
|
Invention
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Canvas stretching system with corner clamps. A stretching system to stretch a canvas or material ... |
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2008
|
Invention
|
Canvas stretching system with reusable corner clamps. A canvas or material stretching system desi... |
|
|
Invention
|
Canvas stretching system with reusable corner clamps. Canvas or material stretching system for us... |
|
|
Invention
|
Assembly system for canvas stretcher frames. The present invention relates to the stretching of c... |
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2007
|
Invention
|
Canvas stretching system with corner clamps. A canvas or material stretching system designed to a... |
|
|
Invention
|
Bracing system for canvas stretcher frames. The present invention relates to the stretchin... |
