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Patents for E. P. Holly
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE5,132Nov. 05, 1872B. HollyImprovement in water-supply regulators for water-works
CA-11,233May 10, 1880B. HollyPerfectionnements Aux Caloriferessteam heating
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