供应利达防爆型手动报警按钮

品牌	利达	型号	LD2000E(EX)
类型	防爆型	工作电源	24V
探测方式	手动	环境温度	-5--50（℃）
环境湿度	0--95（%）	尺寸	1000*800
使用范围	防爆的场合

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