Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1985-05-30
1988-01-12
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D02937093
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Shames Harold
Shames Sidney J.
Largen James R.
Lettvin Norman
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