ES119134A1 - An air announcement system and devices to do it. - Google Patents

An air announcement system and devices to do it.

Info

Publication number
ES119134A1
ES119134A1 ES119134A ES119134A ES119134A1 ES 119134 A1 ES119134 A1 ES 119134A1 ES 119134 A ES119134 A ES 119134A ES 119134 A ES119134 A ES 119134A ES 119134 A1 ES119134 A1 ES 119134A1
Authority
ES
Spain
Prior art keywords
devices
announcement system
air
air announcement
announcement
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
ES119134A
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 ES119134A priority Critical patent/ES119134A1/en
Publication of ES119134A1 publication Critical patent/ES119134A1/en
Expired legal-status Critical Current

Links

ES119134A 1930-07-28 1930-07-28 An air announcement system and devices to do it. Expired ES119134A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES119134A ES119134A1 (en) 1930-07-28 1930-07-28 An air announcement system and devices to do it.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES119134A ES119134A1 (en) 1930-07-28 1930-07-28 An air announcement system and devices to do it.

Publications (1)

Publication Number Publication Date
ES119134A1 true ES119134A1 (en) 1930-09-01

Family

ID=65578916

Family Applications (1)

Application Number Title Priority Date Filing Date
ES119134A Expired ES119134A1 (en) 1930-07-28 1930-07-28 An air announcement system and devices to do it.

Country Status (1)

Country Link
ES (1) ES119134A1 (en)

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