Cezary Jan Jaronczyk
@cjjconsultant4
Retired Professional Electrical Engineer. Owner of engineering consulting company specializing in alarm systems.
cjjconsultant.my-free.website
ID: 3017055754
04-02-2015 10:13:17
23 Tweet
8 Followers
118 Following
@cjjconsultant4
Retired Professional Electrical Engineer. Owner of engineering consulting company specializing in alarm systems.
cjjconsultant.my-free.website
ID: 3017055754
04-02-2015 10:13:17
23 Tweet
8 Followers
118 Following