Roof-mounted building fresh air ventilator

Details Roof-mounted building fresh air ventilator Roof-mounted building fresh air ventilator

1975-03-17

1977-07-19

Burke, Wallace R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2304

Patent

active

D02450984

REFERENCES:
sweet's Architectural File, vol. 12, 1973, Section 15.7/Gen., p. 3, Models TC090A and TC180P (upper right corner and center).

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