4. E - Fixed Constructions
  5. 21
  6. D

David B. Sugden

E - Fixed Constructions – 21 – D

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Adjustable tunnel sets

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Patent

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Fluid machine of the gear type

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Patent

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Mobile continuous mining machine

E - Fixed Constructions – 21 – C
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Mobile mining machine

E - Fixed Constructions – 21 – C
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Mobile mining machine and method

E - Fixed Constructions – 21 – C
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Stringed musical instrument

G - Physics – 10 – D
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Profile ID: LFCA-PAI-P-35564

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