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Individual
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Individual
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Priority to ES33500ApriorityCriticalpatent/ES33500A1/en
Publication of ES33500A1publicationCriticalpatent/ES33500A1/en
ES33500A1904-02-261904-02-26
The new faucet or regulator key for water service combined with the reservoir to constitute the intermittent drain.
ExpiredES33500A1
(en)
The procedure called "Volta watertight compartment system" for the installation of machinery for lifting water in irrigation wells, located below the highest water level.