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DK4627C
(en)
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Devices for cement kilns.
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DK6734C
(en)
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Device for site-burning Portland cement kilns.
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CH26764A
(en)
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Brick construction
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DK4650C
(en)
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Device at the Cement Chimneys.
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DK4655C
(en)
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Devices at Stiklaase.
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DK5212C
(en)
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Device for Concrete Mixers.
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CH27003A
(en)
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Cement kiln, improved
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CH25372A
(en)
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Underwind furnace
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DK4529C
(en)
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Devices at Ring Ovens.
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FR324828A
(en)
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Stopper extractor
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DK4640C
(en)
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Device at Destruction Furnaces.
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DK5266C
(en)
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Procedure for making Straatage refractory.
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ES29411A1
(en)
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Furnace improvements.
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AT30825B
(en)
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Filling furnace.
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DK5106C
(en)
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Cementtage device.
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DK4762C
(en)
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Device at Cyklelaase.
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DK5230C
(en)
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Device at Laase.
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DK5296C
(en)
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Device at Møllesten.
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FR324854A
(en)
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Slate brick
|
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DK4875C
(en)
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Device by Control Furnaces.
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DK4773C
(en)
|
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Device for reinforced concrete boxes.
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DK4841C
(en)
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Device by Lamps.
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DK5480C
(en)
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Slag Removal Device for Slag Cement Manufacturing Apparatus.
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DK4742C
(en)
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Devices for potato-laying machines.
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CA83053A
(en)
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Drying kiln for bricks
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