crwdns2935425:025crwdne2935425:0
crwdns2931653:025crwdne2931653:0
main PCB details bottom side
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localized coating against water for longer lifetime
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0