4. C - Chemistry, Metallurgy
  5. 02
  6. F

Johannes Van Leeuwen

C - Chemistry – Metallurgy – 02 – F

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Country: Netherlands

Apparatus for scraping sludge from the surface of a body of...

B - Operations – Transporting – 01 – D
Patent

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Apparatus for the flotation of flocculated solid material in...

C - Chemistry – Metallurgy – 02 – F
Patent

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Ozone injection method and system

C - Chemistry – Metallurgy – 02 – F
Patent

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Pressure indicating valve stem

B - Operations – Transporting – 60 – C
Patent

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Profile ID: LFCA-PAI-P-110975

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