Megaphone is used in education convenient to carry
The utility model provides a megaphone is used in education convenient to carry relates to education technical field. This megaphone is used in education convenient to carry, including the megaphone body, the one end fixedly connected with microphone of megaphone body is kept away from to the left s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a megaphone is used in education convenient to carry relates to education technical field. This megaphone is used in education convenient to carry, including the megaphone body, the one end fixedly connected with microphone of megaphone body is kept away from to the left side of megaphone body below fixedly connected with electric wire, electric wire, the below fixedly connected with supporting baseplate of megaphone body, the lower surface right side fixedly connected with fixed block of supporting baseplate, the lower surface of fixed block are seted up flutedly, the interior roof fixedly connected with spring strut of recess, the interior roof fixedly connected with diaphragm of spring strut. This megaphone is used in education convenient to carry makes the displacement that makes progress of flexible post through unscrewing the screw to twisting back the screw and making flexible post fixed, briquetting cooperation gyro wheel press in the pulling, makes education use megaphone p |
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