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Jean Le Bras
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Montereau, FR
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last 30 patents
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Patent Grant
Diaphragm safety device with upstream active bursting knife
Patent number
4,830,052
Issue date
May 16, 1989
Electricite de France - Service National
Claude Oberlin
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Safety device with bursting knife and diaphragm for limiting the pr...
Patent number
4,580,589
Issue date
Apr 8, 1986
Electricite de France - Service National
Jean Le Bras
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...