Extended discharge systems for electrostatic precipitators
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A method and its corresponding apparatus for separating particulate material from a gaseous carrier. (Machine-translation by Google Translate, not legally binding)
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A method for cleaning a flexible filtered media in gas filtration systems. (Machine-translation by Google Translate, not legally binding)
ES352750A3
A method and its corresponding device for cleaning filter elements. (Machine-translation by Google Translate, not legally binding)
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Method of cleaning filter media
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Window shades and shade rollers
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Window shade display case
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Method of cleaning filter media
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Comminuting apparatus
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Methods of making shades
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Shade roller construction
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Projection screen or shade construction
CA759758A
Shade roller construction
CA759290A
Method of cleaning filter media
CA789333A
Shades, shade rollers, and methods of making the same
