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Historical patents

Technological Inventions 1850 - 1899

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Shelfmark:: 30/002415

granted on:: 1880-12-18

Title:: Elektrische Lampe

Inventor:: Mayer, Gustav

Key:: 1880/003128

Place of publication:: Graz

Country:: Austria

Class:: 4 - Beleuchtungsgegenstände (außer elektrischen und Gasbeleuchtungsvorrichtungen); 21 - Elektrische Apparate, Telegraphie und Telephonie

Collection:: General

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