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It's not a matter of arguing or ones command of English.
Go on strazors.com and click on construction tab at top. This will give chart showing parts of razor, tang differences and dates, point...

If you are referring to this Gilchrist there are no screws. Blade is not removable.
Razors from France and Switzerland have removable blades

318316
318317

This is what I know as a frameback grind. A frame with a thin flat blade, not hollow ground.

Beautiful razor but don't see a frameback, just a hollow grind. Sorry.