Hello Alexis,
you don't mentioned any measurements from the blades but I think they are rather short. When I am correct I think you have some sort of jimat keris from two different regions there. I have a similar but much shorter (I think) from Java in my collection, see here:
http://www.vikingsword.com/vb/showpo...6&postcount=10
taken from this thread:
http://www.vikingsword.com/vb/showth...ighlight=sajen
Regards,
Detlef