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ES28365A1 - A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin. - Google Patents

A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin.

Info

Publication number
ES28365A1
ES28365A1 ES28365A ES28365A ES28365A1 ES 28365 A1 ES28365 A1 ES 28365A1 ES 28365 A ES28365 A ES 28365A ES 28365 A ES28365 A ES 28365A ES 28365 A1 ES28365 A1 ES 28365A1
Authority
ES
Spain
Prior art keywords
plates
steel
production
photographic
bichromate gelatin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES28365A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolffs Ernst Junior
Original Assignee
Rolffs Ernst Junior
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolffs Ernst Junior filed Critical Rolffs Ernst Junior
Priority to ES28365A priority Critical patent/ES28365A1/en
Publication of ES28365A1 publication Critical patent/ES28365A1/en
Expired legal-status Critical Current

Links

ES28365A 1901-08-16 1901-08-16 A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin. Expired ES28365A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES28365A ES28365A1 (en) 1901-08-16 1901-08-16 A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES28365A ES28365A1 (en) 1901-08-16 1901-08-16 A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin.

Publications (1)

Publication Number Publication Date
ES28365A1 true ES28365A1 (en) 1901-10-16

Family

ID=64178663

Family Applications (1)

Application Number Title Priority Date Filing Date
ES28365A Expired ES28365A1 (en) 1901-08-16 1901-08-16 A process for the production of plates or cylinders engraved on steel by photographic means by means of bichromate gelatin.

Country Status (1)

Country Link
ES (1) ES28365A1 (en)

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