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DE15851C
(de )
Neuerungen an Gasmotoren. (Verbesserung zum Patent Nr. 532.)
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(de )
1900-01-01
Löthlampe mit zurückgesaugter Dochtflamme und centraler Stichflamme
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Oeldampflampe
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1912-02-10
Pneumatischer Gasfernzünder.
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(de )
1928-02-22
Vorrichtung zur selbsttaetigen Absperrung der Gaszufuhr zu den Gasbrennern bei Ausstroemen nicht entzuendeter Gase
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