4. Liquid heaters and vaporizers
  5. Safety devices
  6. Self-closing valve

Max Rosenzweig

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Additional security for a steam boiler

Liquid heaters and vaporizers – Safety devices – Self-closing valve
Reexamination Certificate

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Sewing machine

Machines not elsewhere specified – Textile – sewing – knitting and embroidering machine – Sewing machine
Design Patent

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Profile ID: LFUS-PAI-P-2931625

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