inspection hole lamp
... Weenie Inspection Hole 情况检查孔 Inspection hole lamp 视孔灯 crank case inspection hole cover 曲轴箱检查孔盖 ...
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防爆视孔灯 CBKD ; Explosion proof emergency ligh
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视孔灯可根本用户要求做成聚光式，但在定货时请注明。
Apperture lamp can be made into condensing by use's requirement, but it should be noted when ordering.
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