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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7/00
Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
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E04H7/02
Containers for fluids or gases; Supports therefor
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E04H7/18
mainly of concrete, e.g. reinforced concrete, or other stone-like material
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