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FR2504644A1
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PIPING WITH REMOVABLE ELEMENT AND MECHANISM FOR LAYING AND REMOVING SAID ELEMENT
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FR2231235A5
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Wheeled scaffolding frame - has vertically movable platform with pivoting arms lcoking onto horiz. bars
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GB1333210A
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Metallic frameworks for floors
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US3759006A
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Metallic framework and floor resulting therefrom
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FR76490E
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tubular scaffolding
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FR73509E
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tubular scaffolding
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FR1188571A
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tubular scaffolding
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FR1130512A
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Assembly of metal parts, in particular tubular
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FR61623E
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Pylon for power transmission lines
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FR1024176A
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Pylon for power transmission lines
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FR1007365A
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Demountable house, its assembly process, and elements used in its construction
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FR842363A
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System for the transformation and elimination of urban waste of all kinds
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