http://www.drbl-winroll.org/
https://wiki.archlinux.org/index.php/Fdisk
sfdisk -d /dev/sda > sda.dump
sfdisk /dev/sda < sda.dump

sgdisk -b=sgdisk-sda.bak
sgdisk -l=sgdisk-sda.bak

If both drives will be in the same computer, you need to randomize the GUID's:
# sgdisk -G /dev/sdc