All I can find is "objectum sexual"
Google define:
Objectum sexuality or Objektsexualität in German, is a pronounced sexual and or emotional desire towards particular inanimate objects
Here is an article in English, titled: 'I married the Eiffel Tower'
Although it was written in 2008, you might like to read it
'I married the Eiffel Tower' - Living, The New Review - The Independent
Edit:
Here is another link
Objectum-Sexuality Internationale - Homepage for Objectum-Sexuals & Objectum Sexuality info with Objectum sexual history