4. Geometrical instruments
  5. Gauge
  6. Angle

Johann Lahr

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Angle measuring instrument and its use

Geometrical instruments – Gauge – Angle
Reexamination Certificate

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Angle measuring system

Geometrical instruments – Miscellaneous – Light direction
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Positioning device

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
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Positioning device

Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2683975

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