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NL8501593A
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Building frame construction method - using profiled extruded sheet steel with interlocking
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NL8402065A
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Pressure vessel.
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AU2008083A
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Solar energy collector
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US4527545A
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Solar energy system and solar heat collector
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NL8203079A
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Room ceiling suspension arrangement - includes profiled lockable anchor beams mounted on reinforced walls to carry ceiling
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NL8202713A
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Solar energy system.
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NL8202714A
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Solar collector with heat pipe transfer circuits - to fluid reservoir and convective loss reducing face grid
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NL8202673A
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Gastabilized system with own frequency.
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NL8007129A
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Method and construction element for building a building and a building so.
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