Memoria: Patent form nº 3. Patents and designs acts 1907 and 1919. Nº 29.630, dated 24-11-1925. Nº 8.478, dated 29-03-1926. Group 2. Complete specification. «Improvements in or relating to aircraft with rotative wings»
–
Memoria: Patent form nº 3. Patents and designs acts 1907 and 1919. Nº 29.630, dated 24-11-1925. Nº 8.478, dated 29-03-1926. Group 2. Complete specification. «Improvements in or relating to aircraft with rotative wings»
–
Lengua:
Soporte:
Características:
Notas:
Conservación:
Materias:
Onomástico:
Institucional: