4. B - Operations, Transporting
  5. 65
  6. G

Sven Oldfelt

B - Operations – Transporting – 65 – G

Inventor

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Details

Inventor

Country: Sweden

Land drainage system

E - Fixed Constructions – 02 – B
Patent

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Vacuum sewer arrangement

E - Fixed Constructions – 03 – D
Patent

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Vacuum toilet system

E - Fixed Constructions – 03 – D
Patent

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Waste tank for a vacuum sewage system

E - Fixed Constructions – 03 – F
Patent

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Waste water vacuum conveyance method and apparatus

B - Operations – Transporting – 65 – G
Patent

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Profile ID: LFCA-PAI-P-667392

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