List of necessary radiators data
Who knows the following radiators? Here are some remarks for you help us find more about them. Thanks in advance!
 Nr. Radiator measure in mm  Fotos
Type:

Overall length

Overall height

Overall depth
PPPP 990 500 116
PPPP 1090 500 116
PP 1350 655 51
Remark: perhaps Calor-Vector
     
Type:

Overall length

 Overall height

Overall depth
RG each part 60 590 200
Remark: perhaps ceramic
 
     
Type:

Overall length

 Overall height

Overall depth
RS each part 60 580 198
Remark: measured with slide rule
perhaps from Robbe - Erres
no hospital radiator with intermediate rings 
no picture available (Appearance like a steel ribbed radiator)