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Individual
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Individual
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Priority to JP4670575ApriorityCriticalpatent/JPS51121197A/en
Publication of JPS51121197ApublicationCriticalpatent/JPS51121197A/en
PURPOSE: To provide a piping method, which permits simple and reliable laying of electric cables and water supply pipes in beam portions of a reinforced concrete building when carrying out cable laying work and piping work in the building.