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NL8801952A
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Plastic bag-sealing system - has endless conveyors for processing beams returning to starting position after use
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NL8801809A
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Cylindrical cable trunking system with modular multiple branching - uses standard cables and multiple connector blocks at trunking junctions
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NL8700662A
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Table leg for a height-adjustable worktop table.
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EP0008135A1
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Welding method for joining a branch pipe to the wall of a tube or a vessel
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NL7809532A
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High speed friction drill bit for metal or plastics plate - has conical forward end and coaxial bore forming circular collar at tip
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GB1599328A
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Rotatable piercing tools for forming bossed holes
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DE2802230A1
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METHOD AND DEVICE FOR FORMING A HOLE SURROUNDED BY A COLLAR IN A METAL PLATE OR IN THE WALL OF A METAL PIPE BY FRICTIONAL HEAT AND PRESSURE
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DE2802229A1
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ROTATABLE PIN FOR MAKING A HOLE SURROUNDED BY A COLLAR IN A METAL PLATE OR IN THE WALL OF A METAL PIPE
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