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Individual
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Individual
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Priority to ES101075ApriorityCriticalpatent/ES101075A1/en
Publication of ES101075A1publicationCriticalpatent/ES101075A1/en
ES101075A1927-01-081927-01-08
The manufacture of hydraulic bricks, special for the edges and vertices of floors or floors with walls.
ExpiredES101075A1
(en)