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|1. (WO2017039068) METAL WIRE SURFACE TREATMENT UNIT AND METAL WIRE ANODIZING DEVICE COMPRISING SAME|
|Title:||METAL WIRE SURFACE TREATMENT UNIT AND METAL WIRE ANODIZING DEVICE COMPRISING SAME|
Disclosed are: a metal wire surface treatment unit for treating the surface of a continuously transferred metal wire by passing the metal wire straight through a bath; and a metal wire anodizing device having metal wire surface treatment units sequentially arranged so as to minimize bending and unbending during the transfer of the metal wire. The disclosed metal wire surface treatment unit comprises: an inner bath in which a liquid is accommodated; and an outer bath encompassing the inner bath, wherein, while the metal wire is passing through the inner bath, the liquid overflows from the inner bath to the outside and makes contact with the metal wire such that the surface of the metal wire is treated, and the liquid, having overflowed from the inner bath, does not overflow to the outside of the outer bath.