translate English to German: PTR in Maintal has its origins in the electron beam welding division of the former Hanau company Leybold-Heraeus, which later became Leybold AG.
PTR in Maintal hat ihren Ursprung in der Elektronenstrahl-Schweißabteilung des ehemaligen Hanauer Unternehmens Leybold-Heraeus, später Leybold AG.