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DK2999C
(en)
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Reinforced Hole girder of iron or steel plate.
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CH25473A
(en)
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Road construction
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DK4257C
(en)
|
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Holder for steel of trapezoidal cross-section.
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CH19272A
(en)
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Reinforced concrete beam
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CH330E
(en)
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Reinforced concrete beam
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CH25361A
(en)
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Structural support or intermediate plate
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DK2441C
(en)
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Procedure for hardening steel.
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CH19424A
(en)
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Iron framework for reinforced concrete beams
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DK2919C
(en)
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Pulley of iron plate or strip iron.
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DK870C
(en)
|
|
Procedure for the production of chromium iron and steel.
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CH24351A
(en)
|
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Metal felt plate
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DK2905C
(en)
|
|
Procedure for the Electrolytic Extraction of Chromium from Chromium Sulphate.
|
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CH20743A
(en)
|
|
Hammer plessimeter
|
|
CH32249A
(en)
|
|
Reinforced concrete beam
|
|
CH32935A
(en)
|
|
Reinforced concrete beam
|
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CH24111A
(en)
|
|
Novel block calendar
|
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CH22730A
(en)
|
|
siphon
|
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CH24418A
(en)
|
|
Siphon
|
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DK3076C
(en)
|
|
Concrete railway sleepers with internal iron skeleton.
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DK3590C
(en)
|
|
Procedure for Refining Iron.
|
|
CH17937A
(en)
|
|
Facing plate
|
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CH22239A
(en)
|
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Plate for building purposes
|
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FR339386A
(en)
|
|
Reinforcement for reinforced concrete
|
|
CH24185A
(en)
|
|
Poêle à cuve
|
|
ES28475A1
(en)
|
|
Improvements in the construction of reinforced concrete floors.
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