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Robert Deville
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Lyon, FR
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last 30 patents
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Patent Grant
Cut-off chamber of a lightning protector
Patent number
4,058,848
Issue date
Nov 15, 1977
Delle-Alsthom
Robert Deville
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Lightning conductor in a metallic casing
Patent number
4,041,545
Issue date
Aug 9, 1977
Delle-Alsthom
Robert Deville
H01 - BASIC ELECTRIC ELEMENTS