4. Gear cutting, milling, or planing
  5. Milling
  6. Work support

Ernest E. Hopwell

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Sheet material machining system

Gear cutting – milling – or planing – Milling – Work support
Patent

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Structural joints

Joints and connections – Articulated members – Lockable at fixed position
Patent

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Structural joints

Horizontally supported planar surfaces – With diverse support for articles
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Profile ID: LFUS-PAI-P-579081

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