Documents concerning SOPELEM's patent application for Philip - Lot 76

Lot n° 76
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80 - 90 EUR
Result : NC
Documents concerning SOPELEM's patent application for Philip - Lot 76
Documents concerning SOPELEM's patent application for Philippe Nachet's invention 'Optical device for microscopic examination of the inner walls of an orifice', filed July 17, 1973. Two files. Provenance: NACHET Collection Expert: Anthony TURNER
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