Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-10-17
1998-11-24
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D04016718
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Lewis David
Walden Donald
Douglas Alan P.
Taylor Robin V.
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