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WILLIAM CYRIL FLANNERY
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WILLIAM CYRIL FLANNERY
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Publication of FR459983ApublicationCriticalpatent/FR459983A/fr
E03F3/06—Methods of, or installations for, laying sewer pipes
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FR459983D1913-06-101913-06-10Perfectionnements à la construction d'égouts en béton, d'aqueducs et analogues, et méthodes pour les mettre en oeuvre
ExpiredFR459983A
(fr)