Angular Cli pipe hide duplicates : Want to create a pipe to check specific object, not all. if object exists more than once only show once. Hide duplicates.

Pipe
`import { Pipe } from '@angular/core'
@Pipe({
    name: 'removeduplicates'
})
export class RemovePipe {

}`



    <tbody *ngFor="let dt of ash let i = index | removeduplicates: " >
        <tr>
            <td class="tg-yw4l nobord"  style="border-left:  inset;border-right:  none;">{{dt.values}}</td>
           
            </tr>
        <tr>
            
            <td>{{dt.value2}}</td>

        </tr>
    </tbody>