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US08456817B2 Housing and method for making the same 失效
住房和制作方法

Housing and method for making the same
Abstract:
A housing includes a bottom housing and a top housing. The bottom housing includes a connecting surface. The top housing includes a bottom surface. The connecting surface is fixed to the bottom surface by welding. A receiving groove is defined in the bottom surface, for receiving the molten slag generated and collected during a welding process.
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