-6 ", -8", -10 ||

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в || || Ͳ , , . . , .


" " Ӫ d = 4 ", 5", 6 ", 8", 10 ", 12"

.

. ( ) .

- Pedrollo, Poldap, Sprut, Aquatica, Yildizs.

/ / /



#

# 4, -5, 6, 8, 10/12 BCE

# ز ˲Ҳ


DAB, Dongyin; WILO, ZDS, Euroaqua, Grundfos, LEO, Lowara .


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