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DK1503C
(en)
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Procedure for Treatment of Raw Materials for Firing Portland Cement.
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DK4439C
(en)
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|
Procedure for the manufacture of Portland cement.
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DK1464C
(en)
|
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Procedure for Manufacturing Slag Cement.
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|
DK6419C
(en)
|
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Procedure for the manufacture of Portland cement.
|
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CH18585A
(en)
|
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Apparatus for the production of Portland cement
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DK1127C
(en)
|
|
Method of Making Cement.
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DK3211C
(en)
|
|
Procedure for Making Artificial Gypsum Stone.
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DK3103C
(en)
|
|
Machine for making roof tiles of cement and the like.
|
|
DK3427C
(en)
|
|
Procedure for the Preparation of Raw Materials in the Manufacture of Lime Sandstone.
|
|
CH17403A
(en)
|
|
Interlocking cement tiles
|
|
DK2872C
(en)
|
|
Portland Cement Procedure and Apparatus.
|
|
CH19047A
(en)
|
|
Cement kiln
|
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DK1781C
(en)
|
|
Shaft Furnace for Burning Lime and Cement.
|
|
DK1508C
(en)
|
|
Furnace for Burning Cement, Lime and similar Materials.
|
|
ES23168A3
(en)
|
|
A kiln for the manufacture of cements.
|
|
ES29138A1
(en)
|
|
A procedure for producing firing in the manufacture of portland cement.
|
|
DK3292C
(en)
|
|
Procedure for hardening limestone sandstone.
|
|
DK3611C
(en)
|
|
Procedure for hardening limestone sandstone.
|
|
CH17561A
(en)
|
|
Brick
|
|
DK3729C
(en)
|
|
Apparatus with accompanying procedure for the manufacture of cement pipes.
|
|
AT2078B
(en)
|
|
Method of making sand-lime bricks.
|
|
DK1641C
(en)
|
|
Apparatus for Indirect Operation of Engines.
|
|
DK1648C
(en)
|
|
Apparatus for Drying Materials of Various Kinds.
|
|
DK3113C
(en)
|
|
Procedure for the production of limestone.
|
|
DK4455C
(en)
|
|
Procedure for Manufacturing Asbestos Cement Slabs.
|