Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 14 - Jun 19
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Description
La libertad de la necesidad. 1 La ciencia y el hombre, la sociedad, las humanidades y las artes. 2 La ciencia y la economía, la política, la era atómica y la filosofía.John Desmond Bernal, Editorial Ayuso, 1975, 315 y 321 pginas respectivamente, 13x 21x 4 cm, rstica, buen estado general, detalles en tapas. #elarbollibreriadeuso John D. Bernal (1901 1971) fue un cientfico y comunista irlands que destac por su labor pionera en el mbito de la cristalografa de rayos X, biologa molecular e historia de la ciencia. Tras realizar estudios en la Universidad de Cambridge y licenciarse en matemticas y ciencias en 1922 sigui
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1150 reviews
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Product Reviews
★★★★★ 5
can always use more
Color: Black
I keep buying more of these for fitness equipment storage. I got long and short hook models and very strong magnets hold up pull down attachments weighing 10lbs or more. Works great for belts, carabiners and anything you want to organize in the weight room.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Strong and durable
Color: Orange Hooks
I got this to hang my water hose on the frame of my metal porch. The magnet is super strong. I'm impressed!
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Reviewed in the United States on April 14, 2026
★★★★★ 5
magnet hooks that hold.
Color: Orange
they work !!!
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Definitely holds 5lbs, but not 8 lbs.
Color: Orange_J_Hooks
It holds my 3lb weight, also my 5lb weight. But it doesn't hold them both - 8 lbs- as it slides off my metal door.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Awesome product
Color: Orange 4PCS
Great magnetic hold with no slipping and the hangers are pretty robust
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Reviewed in the United States on March 18, 2026
