Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1985-07-31
1987-11-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D02928213
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patent: 3310065 (1967-03-01), Godshalk
patent: 4586532 (1986-05-01), Tsolkas
patent: 4640307 (1987-02-01), Roberts
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