本文对传统全防潮R20型电池商标改彩塑商标后的铁底进行设计。它克服了铁底松动、接触不良等问题。
A new colour plastic trademark design for tin-base of the R20 type moisture "resistant battery used instead of traditional paper trademark was discussed."
本文对传统全防潮R20型电池商标改彩塑商标后的铁底进行设计。它克服了铁底松动、接触不良等问题。
A new colour plastic trademark design for tin-base of the R20 type moisture "resistant battery used instead of traditional paper trademark was discussed."
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