BR9000587A
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Plastic injection matrix with serial numbering
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BR8903982A
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Envelope with closing device and seal
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BR8901713A
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Security envelope and closing device for a seal
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BR8805880A
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Security seal
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BR8706409A
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Device for the closing and seal of envelopes, envelope and envelope with device for closing and seal
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GB8314049D0
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Security seal with script-receiving surface
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US4512599A
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Security sealing system
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BR8206874A
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Integral security seal
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BR8203705A
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Device for indicating prior use of a lighter
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BR8200339A
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Sliding closing device for envelopes
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BR8200276A
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Sealing system for immobilization of first and second elements relatively movable
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BR8106018A
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Reusable sealing system
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BR8105692A
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Device for marking plastic items
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US4466160A
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Integral bag closure
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BR8100037A
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Full closing device
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ES488426A1
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A mold for molding by injection (Machine-translation by Google Translate, not legally binding)
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BE881331A
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Mold for injection molding of coded parts, for example of sealing components.
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JPS56105944A
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Mold for projection molding
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IT8067096D0
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Injection moulding machine
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CH643773A5
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Injection mould for injection moulding plastic articles provided with code markings
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