4. Chemical apparatus and process disinfecting, deodorizing, preser
  5. Elements or adjuncts
  6. Tube element containing extended surface contact reaction...

John V. Rogers

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Insert for placement in a vessel and method of forming the inser

Gas and liquid contact apparatus – Contact devices – Porous mass
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Packing in or for a vessel

Chemical apparatus and process disinfecting – deodorizing – preser – Elements or adjuncts – Tube element containing extended surface contact reaction...
Patent

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