fix note #4051379

fix some validation problems

fix note #3961608

add info for rotec Berlin

fix various validation problems

fix various validation problems

fix note #3383610

fix note #3345448

update denn's -> denns, add opening times

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

update denn's -> denns

reactivate denn's -> denns and Eurogida