4. Signals and indicators
  5. Horns, whistles and compressional wave generators
  6. Manually actuated air compressor

Max Knobel

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Attachment for air gauging apparatus

Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent

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Flexible instrument pointer

Signals and indicators – Horns – whistles and compressional wave generators – Manually actuated air compressor
Patent

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Profile ID: LFUS-PAI-P-713370

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