TY  - GEN 
AU  - Salmerón Manzano, Esther María
AU  - Manzano Agugliaro, Francisco Rogelio
PY  - 2023
SN  - 2411-5134
UR  - http://hdl.handle.net/10835/14166
AB  - Inventions are new, unique, and useful creations or solutions to problems that have been developed through the process of invention. Inventions can exist tangibly, such as machines, devices, or products, or intangibly, such as processes or methods....
LA  - en
PB  - MDPI
TI  - Low-Cost Inventions and Patents: Series II
DO  - 10.3390/inventions8010020
ER  -