e91e9179_Oscillating_tools___DIYWiki__Blade_Mounting
[Machine] Universal Adaptor [Blade Mounting] 
Bosch have also produced this little adaptor - it supposedly allows Bosch blades to fit on any machine! (it may also allow other blades to be used more interchangeably (yet to be confirmed!)
Oscillating tools - DIYWiki
Blade Mounting