DK12864C
(en)
|
|
Procedure for Building Underwater Tunnels.
|
DK20158C
(en)
|
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Apparatus for the manufacture of cement piles.
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DK24145C
(en)
|
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Drilling apparatus for the manufacture of vertical boreholes.
|
DK13661C
(en)
|
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Waterproofing Additive for Cement.
|
DK13143C
(en)
|
|
Procedure for Making Autotypic Negatives.
|
DK13015C
(en)
|
|
Excavator for Trambulering.
|
DK13289C
(en)
|
|
Method of Making Cement.
|
DK12882C
(en)
|
|
Method of Making Cement.
|
DK13345C
(en)
|
|
Machine for Casting Building Blocks.
|
AT75511B
(en)
|
|
Reinforced brick masonry.
|
DK12784C
(en)
|
|
Procedure for Manufacturing Building Blocks.
|
DK13640C
(en)
|
|
Wire Laying Procedure.
|
DK13655C
(en)
|
|
Procedure for making Master.
|
DK19864C
(en)
|
|
Procedure for Laying Pandas.
|
DK17787C
(en)
|
|
Method of Making Cement.
|
DK17925C
(en)
|
|
Procedure for Restoring the Chimneys.
|
DK15161C
(en)
|
|
Cement Pipe Making Machine.
|
DK14305C
(en)
|
|
Brick Cutting Machine.
|
DK20533C
(en)
|
|
Apparatus for mechanical Excavation.
|
DK15885C
(en)
|
|
Procedure for Making Isoprene.
|
DK15948C
(en)
|
|
Procedure for Making Isoprene.
|
ES50698A1
(en)
|
|
Tunnel kiln improvements.
|
DK13802C
(en)
|
|
Method of Forming Calcium Carbide.
|
ES48432A1
(en)
|
|
Brick for mortar-free construction.
|
ES47504A2
(en)
|
|
Rangefinder improvements.
|