ES93406A1 -
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
- Google Patents
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
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ES93406A1925-04-181925-04-18
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
ExpiredES93406A1
(en)
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.
Procedure to obtain in a single operation a correct insolation of the heliogravure plates and cylinders, including halftones accompanied by text or line drawings.