ES8875Y - Aparato amplificador para comunicación interior en alta voz. - Google Patents

Aparato amplificador para comunicación interior en alta voz.

Info

Publication number
ES8875Y
ES8875Y ES0008875U ES8875U ES8875Y ES 8875 Y ES8875 Y ES 8875Y ES 0008875 U ES0008875 U ES 0008875U ES 8875 U ES8875 U ES 8875U ES 8875 Y ES8875 Y ES 8875Y
Authority
ES
Spain
Prior art keywords
loud
amplifier device
indoor communication
indoor
communication
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
ES0008875U
Other languages
English (en)
Other versions
ES8875U (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 ES0008875U priority Critical patent/ES8875Y/es
Publication of ES8875U publication Critical patent/ES8875U/es
Application granted granted Critical
Publication of ES8875Y publication Critical patent/ES8875Y/es
Expired legal-status Critical Current

Links

ES0008875U 1943-08-10 1943-08-10 Aparato amplificador para comunicación interior en alta voz. Expired ES8875Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0008875U ES8875Y (es) 1943-08-10 1943-08-10 Aparato amplificador para comunicación interior en alta voz.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0008875U ES8875Y (es) 1943-08-10 1943-08-10 Aparato amplificador para comunicación interior en alta voz.

Publications (2)

Publication Number Publication Date
ES8875U ES8875U (es) 1944-04-01
ES8875Y true ES8875Y (es) 1945-09-01

Family

ID=51073152

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0008875U Expired ES8875Y (es) 1943-08-10 1943-08-10 Aparato amplificador para comunicación interior en alta voz.

Country Status (1)

Country Link
ES (1) ES8875Y (es)

Also Published As

Publication number Publication date
ES8875U (es) 1944-04-01

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