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10312 - Micrometre - Micrometer - Mikrometer

No 228

Micromètre au centième en laiton signé E. Richon 1914 Ecole d'horlogerie de Genève

Brass micrometer to the hundredth signed E. Richon 1914 Ecole d'horlogerie de Genève

Hundertstel-Mikrometer aus Messing signiert E. Richon 1914 Ecole d'horlogerie de Genève