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IL75125A
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Extensible and retractable barrier
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US4503423A
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Extensible and retractable barrier and electromagnetic intrusion detector therefor
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US4484729A
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Barrier coil dispenser
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ES458758A3
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Improvements in machines to manufacture a roll of metal tape from a sheet of plate. (Machine-translation by Google Translate, not legally binding)
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ES458759A1
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Improvements in rolled tapes of flat metal strips for protection barriers. (Machine-translation by Google Translate, not legally binding)
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KR820000979B1
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Barbed metal tape
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FR2348760A1
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Barbed tape forming system - with strip stock fed through blanking barb forming and bending stations to give angularly displaced segments
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FR2348764A1
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Coiled taped formed of metal - has equiangularly offset linear segments separated by bend forming openings
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US4040603A
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Barbed metal tape
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US4028925A
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Apparatus and method for forming barbed tape
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