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DE182567C
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DE187583C
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DE183757C
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DE20252C
(de )
1900-01-01
Neuerungen an Gaslampen oder Laternen für Eisenbahnwagen, Strafsen etc
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DE226446C
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DE211159C
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DE4029715A1
(de )
1992-03-26
Fackelbrenner
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DE216680C
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DE194875C
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AT44669B
(de )
1910-10-25
Außenlampe für hängendes Gasglühlicht.
DE45751C
(de )
Neuerung an Sicherheitslampen
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DE247267C
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DE257365C
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DE37042C
(de )
Neuerung an der unter Nr. 34736 patentirten Sicherheitslampe
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DE280636C
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DE159617C
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