Gas Tube Arrester
Pengaman induksi petir, biasa dipasang di saluran telp, electronic
G242 by Suntech Company, Japan
M2P-230L by Semitec, Japan
CM2P-90L by Semitec, Japan
CM2P-230L by Semitec, Japan
CM2P-350L by Semitec, Japan
CM3P-230L by Semitec, Japan
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