_:nbf959a52fa1f4244a9cd2d0fb1ddc113xb0
<http://schema.org/publisher>
_:nbf959a52fa1f4244a9cd2d0fb1ddc113xb3
<https://www.electro-tech-online.com/threads/a-riddle-about-an-electronic-door-lock.164676/page-3>