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Rvfm push pull spring balance 1kg beige
rvfm push pull spring balance 1kg beige
Rvfm push pull spring balance 1kg beige
Push pull spring balances rvfm 83207 the design of the push pull spring balance 1kg means it can demonstrate not only the weight of suspended objects but also the force used to push or pull them a clear extended rod allows pupils to use a drywipe marker to create their own scale ranges rvfm push pull spring balance 1kg beige

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