Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1994-03-07
1997-07-15
Clark, Doris
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D03810674
REFERENCES:
patent: D224718 (1972-09-01), Wahl
patent: 4089349 (1978-05-01), Schenk
patent: 4148336 (1979-04-01), Leinemann
patent: 4819691 (1989-04-01), Lofgren et al.
Aktiebolaget Wi-Ka Mekaniska Verkstad
Clark Doris
Watterson E.
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