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.
Trejos canta, y vuelve a llenar la poesía centroamericana de frescura vital. Trejos es irrenunciable, “una ciudad de varias cosas al mismo tiempo”, una soledad que es un…
Una antología poética que despliega una infinita versatilidad en temas y estilos en un filón inagotable. La obra de Sancho, desconocida casi por completo en nuestro suelo, merece…
Una obra didáctica muy valiosa, en la cual se aborda, entre otros temas fundamentales, la relación entre tecnología, sociedad y cambio, y en la que se conceptualiza el…
