ES1996A1 - An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché. - Google Patents

An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché.

Info

Publication number
ES1996A1
ES1996A1 ES1996A ES1996A ES1996A1 ES 1996 A1 ES1996 A1 ES 1996A1 ES 1996 A ES1996 A ES 1996A ES 1996 A ES1996 A ES 1996A ES 1996 A1 ES1996 A1 ES 1996A1
Authority
ES
Spain
Prior art keywords
judean
cliché
bitumen
photographic
crystal
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
ES1996A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES1996A priority Critical patent/ES1996A1/en
Publication of ES1996A1 publication Critical patent/ES1996A1/en
Expired legal-status Critical Current

Links

ES1996A 1881-11-10 1881-11-10 An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché. Expired ES1996A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1996A ES1996A1 (en) 1881-11-10 1881-11-10 An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1996A ES1996A1 (en) 1881-11-10 1881-11-10 An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché.

Publications (1)

Publication Number Publication Date
ES1996A1 true ES1996A1 (en) 1882-04-12

Family

ID=64162997

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1996A Expired ES1996A1 (en) 1881-11-10 1881-11-10 An etching procedure on the crystal or glass by means of hydrofluoric acid and by direct application on the Judean bitumen of the photographic cliché.

Country Status (1)

Country Link
ES (1) ES1996A1 (en)

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