For technicians and resellers that sells Office 2007 OEM software, Microsoft gives a paper pack that includes a non-media version of office with a plastic card that includes the license Serial / Product key.
For the actual install Microsoft sells an OPK media for the system-builder use only.
If the customer needs a copy or if you happen to install the license remotely you can use these direct download links to get the original installation media.
These setup files can accept any OEM serial of the Basic / Small-Business / Professional editions.
Download Office 2007 OEM English
Download Office 2007 OEM Hebrew
For other languages go to this website and fill the form with the license number & your e-mail.