Fizik emme plakası cam çan kavanoz ile vakum başlık akustik deney ekipmanları

Suction Plate with Vacuum Bell Jar

This instrument can be used for various demonstrations involving vacuum.

【Shipping Methods】:

◆China post air mail normally will take :free 15-25days.

◆epackage:free 15-30days.

◆Others shipment methods depends on your country.

【Refund Policy】:

100% Guarantee. If you have any dissatisfaction with our goods once you receive, please just be free to contact us within 7 days, we can provide free replacement or refund. Refund is the final auction price minus Aliexpress deduction of expense (business commission).

※Note:

Due to different policies in different countries, there might be customs tax that should be paid by buyer.   It is uncertian.  We won't take any responsibilities for any taxes occur at destination countries. hope you can understand.

Should you have any quesiton,pls feel free contact us!

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