Cronologia della pagina
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4 nov 2020
27 ago 2019
22 ago 2019
Creata pagina con "Various companies have used this type of loading, such as Columbus, which patented a version in 1929 ({{Cite patent|GB|334913}}), but in general it introduces unnecessary..."
-128
Creata pagina con "center|500px|Diagram of a pen with ''spoon filler''"
-15
Creata pagina con "The ''spoon filler'' owes its name to the shape of the bar used to compress the tank, which is similar to that of a spoon. In this case, the pressure is exerted on the enlarge..."
+1 302