4. Ventilation
  5. Chimney or stack
  6. Chimneytop or stacktop structure

Shoshichi Sotoda

Inventor

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Collective air intake and exhaust chimney

Ventilation – Chimney or stack – Chimneytop or stacktop structure
Patent

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Fully passive-type solar lumber drying house

Drying and gas or vapor contact with solids – Apparatus – Solar
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1492280

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