500g/5 N Spring Scale. Product # 01-6961. $5.95. Buy 10 for $5.50 each ... These six spring scales are perfect for demonstrating how gravity and mass determine weight.
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BSA545-M731-SU17-International Business. An introduction to the opportunities and constraints posed by the expanding business environment. Topics include, ...
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The hologram is advertised to be easy to make and scalable, using only a familiar direct laser writing 3D printing method. However, the researchers …
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Boat rail clamps: Material: 60Si2Cr, 60Si2Mn Standard: GB/T 1222, DIN 17221 Production properties: Hardness HRC 42-47, Fatigue life 3 million sycles
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