Convenient-to-use electric welding machine for producing dry powder extinguisher
The utility model relates to the technical field of electric welding machines, discloses a convenient-to-use electric welding machine for producing a dry powder extinguisher, and solves the problems that harmful metal steam, smoke dust and the like are generated in the use process of an electric wel...
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Format: | Patent |
Sprache: | chi ; eng |
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