The article outlines the steps to duplicate line items on a material stock receipt
FOLLOW STEPS BELOW:
1. Click Material Stock -> GRV
2. Select the PO you want to receive against
3. Click "Add All" to add all items from PO
4. Click the line you want to duplicate and click "Duplicate"
5. Click "Set Locations" and select the receiving location
6. Click Accept to complete the GRV
NB. For a quick tutorial watch below
