Support structure for through-wall installation of package unit
ES329912A1
Improvements in the plate tubes with plastic lane protectors of angle for heating and/or refrigeration. (Machine-translation by Google Translate, not legally binding)
GB1107224A
Fin tube unit with protective corner plastic rails
US3367411A
Fin tube unit with protective corner plastic rails
US3369595A
Fin tube unit with protective corner plastic rails
GB1104584A
Housing for covering exposed pipe lengths
US3358492A
Mandrel construction
US3319708A
Penetrable tract for finned heating unit with barbs
