4. Stock material or miscellaneous articles
  5. Hollow or container type article
  6. Cellular material derived from plant or animal source

Istvan Kallai

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Apparatus for electrostatic spraying of the insides of lamp enve

Coating apparatus – Carbonizing – flame contact or burning off of coating ingredient
Patent

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Glass envelope for electric light sources

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent

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Profile ID: LFUS-PAI-P-227705

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