DE172641C
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DE938265C
(de )
1956-01-26
Haengegewoelbe fuer Industrieoefen, insbesondere Siemens-Martin-OEfen
DE565075C
(de )
1932-11-25
Entladungsroehre
DE542173C
(de )
1932-01-22
Maschine zum Einschmelzen von Glasfuessen in gerade Glasrohre elektrischer Roehrengluehlampen und elektrischer Leuchtroehren
DE15676C
(de )
Neuerungen an Lampenglocken
DE240431C
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DE248567C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE839235C
(de )
1952-05-19
Elektronenroehre, insbesondere Senderoehre
DE177274C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE209824C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
1909-05-10
DE261222C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE49079C
(de )
Hebevorrichtung für die Brennergallerie von Lampen
DE223602C
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DE187540C
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DE131749C
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DE157580C
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DE185798C
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DE183755C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE282061C
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DE255344C
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DE565524C
(de )
1932-12-01
Gluehkoerperkopf aus gelochtem Blech
DE384843C
(de )
1923-11-27
Schornstein fuer Lampen
DE140143C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE197856C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE201432C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )