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DK11227C
(en)
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Method of Making Cement.
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FR376406A
(en)
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Advanced cement
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FR386667A
(en)
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Concrete construction
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DK7037C
(en)
|
|
Method of Making Cement.
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|
FI3119A
(en)
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|
Likkistor av cement
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CH53174A
(en)
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Concrete mixer
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DK9715C
(en)
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|
Method of Making Calcium Cyanamide.
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DK6419C
(en)
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|
Procedure for the manufacture of Portland cement.
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FR380732A
(en)
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Cement mixer
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CH41379A
(en)
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Cement block
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DK7476C
(en)
|
|
Procedure for the manufacture of bricks and similar building materials.
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|
GB190617006A
(en)
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|
Improved Manufacture of Cement for Building and like purposes.
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|
CH39709A
(en)
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|
Vessel made of cement
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DK11258C
(en)
|
|
Method of Making Calcium Carbide.
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DK11135C
(en)
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|
Method of Making Calcium Carbide.
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DK9758C
(en)
|
|
Procedure for the manufacture of artificial cork.
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|
CH41392A
(en)
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|
Concrete mixer
|
|
CH39235A
(en)
|
|
Concrete mixer
|
|
DK10338C
(en)
|
|
Cement.
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CH39697A
(en)
|
|
Form for the manufacture of concrete poles
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FR375373A
(en)
|
|
Reinforced concrete construction
|
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DK9279C
(en)
|
|
Procedure for the Production of Carbide.
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|
DK9741C
(en)
|
|
Procedure for the Production of Carbide.
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|
DK11423C
(en)
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|
Procedure for the production of etching plates.
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|
DK9231C
(en)
|
|
Method of Making Waterproof and Impact-Free Cement.
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