4. Refrigeration
  5. Low pressure cold trap process and apparatus

Thomas Dunn

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Broom and dustpan kit

Special receptacle or package – Combined or convertible – Packaged assemblage or kit
Reexamination Certificate

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Cleaning pad

Brushing – scrubbing – and general cleaning – Implements – Fabric
Reexamination Certificate

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Optimally staged cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Optimally staged cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Profile ID: LFUS-PAI-P-835974

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