| http://www.w3.org/ns/prov#value | - In a dynamo in combination, a casing, an annular stator in said casing, a rotor comprising an armature rigidly mounted on a rotary shaft unit Within said casing, a shielding cover mounted over said armature, said shielding cover including a cup-shaped portion and a top portion secured to the cup-shaped portion, the top portion and the bottom of the cup-shaped portion having each a hole therein rec
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