I have a question regarding the stamp/trademark of a steel maker: what's in a stamp anyway; advertising, guarantee and how do you know some didn't select a rough tube from the wrong pile or use the wrong stamp on a tube? Were there rules and regs for steelmaker stamps besides Krupp?

Kind Regards,

Raimey
rse

Last edited by ellenbr; 03/04/09 09:09 PM.