ES177442U - Perpetual monthly calendar, with double function indicators. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Perpetual monthly calendar, with double function indicators. (Machine-translation by Google Translate, not legally binding)
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Perpetual monthly calendar, with double function indicating satisfacts, characterized by the fact that it affects the shape of a flat sphere, in the center of which two ambivalent bolts are rotatably mounted, in connection with a set of gears attached to the back of the sphere, said arrows being of different length, serving the index of the major to indicate the elapsed days of the month, which are correlatively inscribed, forming a circle, in the periphery of the sphere. (Machine-translation by Google Translate, not legally binding)
ES1972177442U1972-02-111972-02-11
PERPETUAL MONTHLY CALENDAR, WITH DOUBLE FUNCTION INDICATOR SAETAS.
ExpiredES177442Y
(en)