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Acoustic vacuum pump
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Patent number 6,638,032
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Issue date Oct 28, 2003
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Pierre Vanden Brande
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Molecular pump
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Patent number 6,612,816
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Issue date Sep 2, 2003
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Pierre Vanden Brande
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Process for formation of a coating on a substrate
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Patent number 6,432,281
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Issue date Aug 13, 2002
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Recherche et Developpement Due Groupe Cockerill Sambre
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Pierre Vanden Brande
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for making a composite metal product
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Patent number 6,361,628
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Issue date Mar 26, 2002
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Recherche et Developpment du Groupe Cockerill Sambre
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Pierre Van Den Brande
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Air lock
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Patent number 6,334,751
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Issue date Jan 1, 2002
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Recherche et Developpment du Groupe Cockerill Sambre, en abrégé RD-CS
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Pierre Vanden Brande
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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