| http://www.w3.org/ns/prov#value | - The force may be greater, and a skilled artisan recognizes that the upper limit is determined by the critical density of the powder.In one embodiment of the present invention, there are an apparatus and method for manufacturing a bone graft substitute wherein a stationary lower punch has a top surface, a moveable lower punch vertically moveable about the stationary lower punch has a top surface, a
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