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DE2141505A1
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Bituminous granulate for road making - by cooling the hot mix with water
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US917082A
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Sheet-metal structural element.
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US845554A
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Concrete-steel construction.
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US830792A
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Corner-bead.
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US804237A
|
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Centering for concrete floors.
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US782667A
|
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Metal lath.
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US773327A
|
|
Concrete-steel construction.
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US754077A
|
|
Machine for making metallic lathing.
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US735530A
|
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Apparatus for mixing concrete.
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US665117A
|
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Sheet-metal structural element.
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