4. Rotary expansible chamber devices
  5. Positively actuated vane
  6. In opposite directions

David Peter Davidson

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Process for organizing business and other contacts for...

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Electronic shopping
Reexamination Certificate

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Rotary positive-displacement fluid machines

Rotary expansible chamber devices – Positively actuated vane – In opposite directions
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Profile ID: LFUS-PAI-P-2108549

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