Entstehung und Bedeutung des schweizerischen Patentwesens.
Na minha lista:
| OCLC: | 34553901 |
|---|---|
| Autor principal: | |
| Autor Corporativo: | |
| Idioma: | German |
| Publicado em: |
Bern,
Akad. Buchhandl. P. Haupt,
1923.
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| Formato: | Tese Monograph Note that CRL will digitize material from the collection when copyright allows. |