Patent classifications
G
PHYSICS
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G09
EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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G09F
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
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3/00
Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
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G09F3/0305
characterised by the type of seal used
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G09F3/0347
having padlock-type sealing means
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G09F3/0352
using cable lock
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