Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1989-02-21
1992-02-04
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03236994
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Burke Wallace R.
H.K. Research & Development, Inc.
Tung M. H.
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