Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1975-08-25
1977-03-08
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02436094
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patent: D228908 (1973-10-01), Juhlin
patent: D231697 (1971-05-01), Grube
patent: D237708 (1975-11-01), Grube
Mono Rune G.
Morichetto Michele
Largen James R.
Larson Roberts B.
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