Stroke of a product

[Raf]

Hello,
I came across such a sentence:

"The shop assistant fills in the order sheet , giving: DPT, stroke, size, colour, price, number of pieces of the ordered goods".

Does anyone have any idea what "stroke" can mean here? I'll be very grateful.
Regards!

[Kitosdad]

DPT, / size,/ colour, /price, /number of pieces of the ordered goods.

For stroke read, slash.
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