Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04H
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
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15/00
Tents or canopies, in general
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E04H15/30
convertible, e.g. from one type tent to another type tent, from tent to canopy or from tent cover into diverse articles
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