FR438754A - Relais microtéléphonique - Google Patents

Relais microtéléphonique

Info

Publication number
FR438754A
FR438754A FR438754DA FR438754A FR 438754 A FR438754 A FR 438754A FR 438754D A FR438754D A FR 438754DA FR 438754 A FR438754 A FR 438754A
Authority
FR
France
Prior art keywords
microtelphone
relay
microtelphone relay
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
Other languages
English (en)
Inventor
Paul Dresla
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
Application granted granted Critical
Publication of FR438754A publication Critical patent/FR438754A/fr
Expired legal-status Critical Current

Links

FR438754D 1912-01-08 1912-01-08 Relais microtéléphonique Expired FR438754A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR438754T 1912-01-08

Publications (1)

Publication Number Publication Date
FR438754A true FR438754A (fr) 1912-05-28

Family

ID=43350714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR438754D Expired FR438754A (fr) 1912-01-08 1912-01-08 Relais microtéléphonique

Country Status (1)

Country Link
FR (1) FR438754A (fr)

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