Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1986-07-01
1988-05-24
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D02958880
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patent: 1527057 (1925-02-01), Heydrich et al.
patent: 2017456 (1935-10-01), Gudmundsen
patent: 3561506 (1971-02-01), Johnson
Friedrich Rainer
Schulein Rolf G.
Burke Wallace R.
Leifheit AG
Vinson Brian N.
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