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<title><![CDATA[EC21 Product Catalogs - demonstrating set]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/demonstrating_set--2918/1/demonstrating set.html]]></link><item>
<title><![CDATA[Sound and Wave Apparatus for Physics in Middle Schools]]></title><link><![CDATA[https://maier418.en.ec21.com/Sound_and_Wave_Apparatus_for--11922917_11922963.html]]></link><description><![CDATA[Ripple Tank Kit
Ripple Tank Kit is used for the visual demonstration of the properties of wave motion and the effects of refraction, diffraction and interference by projecting water waves on to the f]]></description><pubDate><![CDATA[20240409]]></pubDate></item>
<item>
<title><![CDATA[DLDP-WXD12 Radio Debugging Personal Skill Training Examination Appraisal Device]]></title><link><![CDATA[https://dolangeducation.en.ec21.com/DLDP_WXD12_Radio_Debugging_Personal--10974606_10974612.html]]></link><description><![CDATA[demonstration,and radio
debugging relevant certificate examination.
Technical Parameter
Input power: single-phase, three-wire
220V±10% 50Hz/60Hz
Output power: AC power supply 220V±10%
50Hz/60Hz
AC ]]></description><pubDate><![CDATA[20240307]]></pubDate></item>
<item>
<title><![CDATA[Group Control Elevator Trainer Lift Teaching Model]]></title><link><![CDATA[https://shuran.en.ec21.com/Group_Control_Elevator_Trainer_Lift--8187440_8188031.html]]></link><description><![CDATA[set selected control.
3, Programmable controller (PLC) :Input voltage: AC 220V, 50Hz
4, Traction machine:
5, Drive motor
Voltage: AC 220V, 50Hz
Power: 180W
Speed: 2800 r/min
III. Electrical control p]]></description><pubDate><![CDATA[20151019]]></pubDate></item>
<item>
<title><![CDATA[Door System Troubleshooting Trainer]]></title><link><![CDATA[https://yes01.en.ec21.com/Door_System_Troubleshooting_Trainer--5553641_9778312.html]]></link><description><![CDATA[Feature
■ Central door locking and electric window switches can be operated to 
demonstrate the working processes of the systems.
■ Organic glass with aluminum rims. The diagram and real objects ]]></description><pubDate><![CDATA[20151204]]></pubDate></item>

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