Unstrippable Wood Finish - What is this?
It could be milk based (casein based)
If it's casein based, it will require a lye mix to remove it and rinse with vinegar. Horrible job and dangerous.
To test to see if it is some sort of auto body finish, try softening/removing a small spot with a touch of brake fluid, see what happens.
Otherwise, you may be stuck with lots of tough scraping and sanding.
Sonny
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