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Home >> Educational Instrument >> Physical >> Sound

E15.5501 Plastic Vacuum Bell, With Manual Pump
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  Features:
E15.5501：Vaccum Bell Dia.20*Height 30cm, With Gauge -600mmQS, With Manual Pump Stand
 
  Detail Specification:
E15.5501-B：Vaccum Bell Dia.20*Height 30cm, With Gauge -600mmQS, With Manual Pump Stand, With Buzzer
E15.5501-C：Vaccum Bell Dia.20*Height 30cm, With Gauge -600mmQS, With Manual Pump Stand, With Electrial Bell Inside

 

 
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