4. Metal working
  5. Method of mechanical manufacture
  6. Muffler, manifold or exhaust pipe making

Alfred Utter

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Air gap-insulated exhaust pipe and process for manufacturing sam

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Process for manufacturing an air gap-insulated exhaust pipe

Metal working – Method of mechanical manufacture – Muffler – manifold or exhaust pipe making
Patent

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Profile ID: LFUS-PAI-P-450983

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