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GB693982A
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Device for connecting a horizontal tube to a vertical tube
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GB680049A
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An improved device for connecting tubes or pipes end to end
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GB638962A
|
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Improvements in or relating to cross-ties for tubular scaffolding
|
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GB649029A
|
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Improvements in or relating to scaffolding clamps
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ES125380A1
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Perfections introduced in joints, clamps or joint fasteners for scaffolding beams or other bodies.
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ES121129A1
|
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Perfections introduced in joints or connections for tubular bodies.
|
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US1857159A
|
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Clip for guard-boards of scaffolds and the like
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US1860839A
|
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Clamp for scaffolding for building and other purposes
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US1783735A
|
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Coupling or clamp for scaffolding or other purposes
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