Die Entwicklung und Bedeutung der optisch-feinmechanischen Industrie in der Schweiz.
Publisher: Keller
Published: 1949
Place of publication: Aarau
Language: ger
Number of pages: 158
Subjects: Optical instruments.; Scientific apparatus and instruments.
Notes: "Verwendete Literatur": p. 11-12.
Issued also as diss., Bern.