TY  - BOOK
AU  - Defossez,Léopold
AU  - Pellaton,James César
AU  - Jaquet,Eugène
AU  - Bossart,Max
TI  - Fachkunde für Uhrmacher
PY  - 1950///
CY  - Biel-Bienne
PB  - Ed. horlogères
KW  - Clock and watch making
KW  - Study and teaching
KW  - Switzerland
KW  - textbook
KW  - Editions Horlogeres
KW  - Defossez, Leopold
KW  - Watch (general)
ER  -