Script To Delete Duplicate Objects

Hi,

Need help from the code expert here. I've been experimenting with maxscript lately, and have problem to select only the duplicated objects. Basically i have a fbx scene where some of the objects are duplicated, but luckily the duplicated objects have same pivot, bounding box and position with the original object.

If someone could kindly enlighten me with the syntax on how to select this duplicated objects, that will be great.

Thank you so much.