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DE3126846A1
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Child-proof screw-cap closure
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DE3001512A1
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Childproof plastic screw cap - has covering cap with lugs passing through top of main one
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Childproof bottle closure - with outer sleeve requiring special position for release of inner screw-cap
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Device preventing refilling of bottles - consists of two concentric cylindrical walls forming with bottle neck meander shaped outlet
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Bottle closure preventing unauthorised refilling - uses built in circular plate and pipe sections
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DE2413886A1
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Plastic tamper-proof bottle sealing cap - has rack engaging with neck thread to burst open on turning
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