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DE70099C
(de )
Unter- und Oberfeuerungs-Backofen mit nur einer Feuerung
DE157291C
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1900-01-01
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1900-01-01
DE175830C
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DE13263C
(de )
Neuerungen an Oefen zum Brennen von Thonwaaren aller Art, Zement und basischen Ziegeln
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DE74240C
(de )
Ofen zum Veraschen und Glühen mit Vorrichtung zum schnellen Anheizen
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DE34000C
(de )
Schweifsofen für schmiedeiserne Rohre mit Gasfeuerung
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DE81612C
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DE93484C
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1900-01-01
DE105119C
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DE108433C
(de )
1900-02-15
Feuerung