It is fair to ask: Is a book written decades ago still relevant in the age of AISI/SAE standards and ISO 9000?
: Aumentar drásticamente la dureza y la resistencia mecánica del acero.
It is fair to ask: Is a book written decades ago still relevant in the age of AISI/SAE standards and ISO 9000?
: Aumentar drásticamente la dureza y la resistencia mecánica del acero.