4. Earth working
  5. Processes

Lester M. Packham

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Moldboard plow apparatus for switching soil strips from one furr

Earth working – Processes
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Multi-function tillage apparatus and method

Earth working – Processes
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Propeller and impeller constructions

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Both inlet and outlet to working fluid
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Profile ID: LFUS-PAI-P-1168752

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