ES56399A1 -
A steel and iron moldboard that rotates in all directions and only applicable to work in the field that will be called the "Pérez Illuecar" system.
- Google Patents
A steel and iron moldboard that rotates in all directions and only applicable to work in the field that will be called the "Pérez Illuecar" system.
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Individual
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Individual
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Priority to ES56399ApriorityCriticalpatent/ES56399A1/en
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ES56399A1913-09-081913-09-08
A steel and iron moldboard that rotates in all directions and only applicable to work in the field that will be called the "Pérez Illuecar" system.
ExpiredES56399A1
(en)
A steel and iron moldboard that rotates in all directions and only applicable to work in the field that will be called the "Pérez Illuecar" system.
Arrangement by triangles and rulers, by means of which these, for use in drawing lines through one and the same point, can be made to swing about this.