a second crusher device (10) for acting on the …Unfortunately the machines here that give you your deposit refund require that the cans be un-crushed (so they can scan the bar code). ...crushing machine Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US381206AHome » News » Lab Crushing & Grinding Machines for Sale. Contact Now +86-. Published time:17 August 2021. Laboratory crushing mill is a common sample crushing equipment in the laboratory. Now many tests require full crushing and grinding of samples.In a lab setting
