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ES129812A1 - Improvements in optical devices for projections. - Google Patents

Improvements in optical devices for projections.

Info

Publication number
ES129812A1
ES129812A1 ES129812A ES129812A ES129812A1 ES 129812 A1 ES129812 A1 ES 129812A1 ES 129812 A ES129812 A ES 129812A ES 129812 A ES129812 A ES 129812A ES 129812 A1 ES129812 A1 ES 129812A1
Authority
ES
Spain
Prior art keywords
projections
optical devices
optical
devices
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
ES129812A
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.)
SKY PUBLICITY Ltd
Original Assignee
SKY PUBLICITY Ltd
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 SKY PUBLICITY Ltd filed Critical SKY PUBLICITY Ltd
Priority to ES129812A priority Critical patent/ES129812A1/en
Publication of ES129812A1 publication Critical patent/ES129812A1/en
Expired legal-status Critical Current

Links

ES129812A 1933-03-01 1933-03-01 Improvements in optical devices for projections. Expired ES129812A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES129812A ES129812A1 (en) 1933-03-01 1933-03-01 Improvements in optical devices for projections.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES129812A ES129812A1 (en) 1933-03-01 1933-03-01 Improvements in optical devices for projections.

Publications (1)

Publication Number Publication Date
ES129812A1 true ES129812A1 (en) 1933-05-01

Family

ID=65586405

Family Applications (1)

Application Number Title Priority Date Filing Date
ES129812A Expired ES129812A1 (en) 1933-03-01 1933-03-01 Improvements in optical devices for projections.

Country Status (1)

Country Link
ES (1) ES129812A1 (en)

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