Length of copyright in EU countries appears to be even more restrictive (i.e., life plus 75 years compared to Canada's life plus 50 years), so I conclude it would be impermissible to upload the score here.
Thanks for catching my error, Alistair.The source I had consulted (the Contributor Portal at IMSLP) was correct, of course, and I can't even claim that I made a typo; for some reason (probably age-related ), I rounded the number up in my own mind from 70 to 75.