The older MH CD-ROM registration number you entered for your MH31 Digital Edition UPGRADE is not valid. Please recheck the number you have and try re-entering it.
Empty Registration Code, Please Enter!
This is an upgrade digital product. To purchase and use this Machinery’s Handbook 31 Digital Edition Upgrade, you must have either:
A) an active subscription on this Industrial Press eBookStore site to either the Machinery’s Handbook (MH) 29th or 30th edition eBook
or
B) a prior CD-ROM, with a valid registration number, for a previous edition of the Machinery’s Handbook.
Our system shows that you do not have an active MH29 or MH30 eBook subscription.
If you have a previous MH CD-ROM, please enter your registration number [below] in order to purchase this Upgrade version:
for the full (non-upgrade) version of the Machinery’s Handbook 31 Digital Edition.
The previous edition MH CD-ROM registration number is not validating as entered. You have tried to enter it too many times.
Please write to industrialpress@ipublishcentral.com with the registration number and details of the problem you are having.
En este libro, de cuya economía del lenguaje nace un manantial de sensaciones, Ramírez emprende un viaje, que el lector redefine según sus necesidades. Poesía que va del…
