Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-03-21
1986-03-04
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02828677
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1982-1983 Composite Catalog of Oil Field Equipment & Services, p. 367.
1982 WFI Product Catalog.
Ryan Bobby W.
Woods Glynn E.
Largen James R.
WFI International, Inc.
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