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DK72C
(en)
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Procedure for the manufacture of coal briquettes.
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DK215C
(en)
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Procedure for the manufacture of peat briquettes.
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DK241C
(en)
|
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Procedure for the Production of Smokeless Powder Using Nitropentaerythritis.
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ES17125A1
(en)
|
|
A process for the manufacture of bonded coals.
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DK106C
(en)
|
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Charger for Sloping Retorts.
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CH10917A
(en)
|
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Improved grate system
|
|
DK321C
(en)
|
|
Apparatus for the Manufacture of Margarine.
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DK6065C
(en)
|
|
Procedure for the manufacture of peat briquettes.
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DK26C
(en)
|
|
Procedure for the production of pure fluoroaluminum.
|
|
DK135C
(en)
|
|
Phonographs.
|
|
DK305C
(en)
|
|
Phonographs.
|
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GB189511765A
(en)
|
|
An Improved Firelighter.
|
|
ES15785A1
(en)
|
|
An appliance for frost.
|
|
CH9939A
(en)
|
|
Advanced calorifier stove
|
|
GB189520849A
(en)
|
|
Hay-turner.
|
|
DK205C
(en)
|
|
Spiral oven.
|
|
DK307C
(en)
|
|
Insert for Centrifuges.
|
|
ES17891A2
(en)
|
|
Improvements introduced in the manufacture of cheap coal.
|
|
DK4545C
(en)
|
|
Procedure for the manufacture of peat briquettes.
|
|
DK4887C
(en)
|
|
Procedure for the manufacture of peat briquettes.
|
|
CH9261A
(en)
|
|
Firelighter
|
|
ES18371A1
(en)
|
|
An improved music quadrant.
|
|
CA50500A
(en)
|
|
Grate
|
|
CA48268A
(en)
|
|
Grate
|
|
CA49195A
(en)
|
|
Grate
|