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ES77173A1 - Filtros para luz. - Google Patents

Filtros para luz.

Info

Publication number
ES77173A1
ES77173A1 ES77173A ES77173A ES77173A1 ES 77173 A1 ES77173 A1 ES 77173A1 ES 77173 A ES77173 A ES 77173A ES 77173 A ES77173 A ES 77173A ES 77173 A1 ES77173 A1 ES 77173A1
Authority
ES
Spain
Prior art keywords
filters
light
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
ES77173A
Other languages
English (en)
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.)
E L Friedmann & Co
Original Assignee
E L Friedmann & Co
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 E L Friedmann & Co filed Critical E L Friedmann & Co
Priority to ES77173A priority Critical patent/ES77173A1/es
Publication of ES77173A1 publication Critical patent/ES77173A1/es
Expired legal-status Critical Current

Links

ES77173A 1921-02-22 1921-02-22 Filtros para luz. Expired ES77173A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES77173A ES77173A1 (es) 1921-02-22 1921-02-22 Filtros para luz.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES77173A ES77173A1 (es) 1921-02-22 1921-02-22 Filtros para luz.

Publications (1)

Publication Number Publication Date
ES77173A1 true ES77173A1 (es) 1921-04-16

Family

ID=64247372

Family Applications (1)

Application Number Title Priority Date Filing Date
ES77173A Expired ES77173A1 (es) 1921-02-22 1921-02-22 Filtros para luz.

Country Status (1)

Country Link
ES (1) ES77173A1 (es)

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