Report - 鑫海 LED灯具散热套件 - · PDF file说明书 编号 发行日期 ... M4×6圆头平尾自攻牙 材质：SUS304 6.0 4.0 Φ9.0 Φ4.3 0.8. ... LED散热器测试报告 标注单位：mm

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