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You're welcome. I think the hammering thing kind of means the steel was used for something else (like a sword) and then they used it for a razor. As I say I'm not sure but that kind of meaning.

1

tokusen - special brand/choice
shouhyoutouroku - trademark
fuku - maker's sign
fukumoto - Maker
tokusen - as above

2
betsuuchi - betsu means different and utsu means hammer the steel....