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Historical patents

Technological Inventions 1850 - 1899

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Shelfmark:: 06/001941

granted on:: 1855-06-01

Title:: Sicherheitsventil für Dampfkessel

Inventor:: Zeh, Emil

Key:: 1856/000430

Place of publication:: -

Country:: -

Class:: 13 - Dampfkessel nebst Ausrüstung (außer Feuerungen), sowie Dampfleitungen; 85 - Wasser, Wasserleitung und Kanalisation

Collection:: General

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