Pruner <br/><br/>
Understanding Injection Molds / 
Harry Pruner 
 - Germany  Hubert and Co  2020 
 - p145 
<br/><br/> PB 
<br/><br/><label>ISBN: </label>9781569908433 
<br/><br/><label>Dewey Class. No.: </label>668.4120  / PRU