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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17/00
Flags; Banners; Mountings therefor
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G09F17/0091
Anti-foiling flagpoles; Sliding means to avoid foiling of flags on the poles
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