log in
menu
log in
share
Follow
Following
Unfollow
Felipus
share
Follow
Following
Unfollow
Curitiba, Paraná, Brazil
message
bio
Agronomist Engineer,Electrotechnical
Read More about Evaldo
bio
Agronomist Engineer,Electrotechnical
more
Challenges
Following
Followers
Activity
Awards
Challenges
Submissions
Toilet with two water use options
Marketing a patent is not easy
read more...
by
Felipus
Following
Followers
Activity
Awards
© 2025
