4. Acoustics
  5. Speaking tubes
  6. Mouthpieces

Charles M. Benjamin

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Manufacture of solar collector panels

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
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Underwater voice communicator

Acoustics – Speaking tubes – Mouthpieces
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Profile ID: LFUS-PAI-P-255253

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