FR474151A - Line system for automatic or semi-automatic telephone systems - Google Patents

Line system for automatic or semi-automatic telephone systems

Info

Publication number
FR474151A
FR474151A FR474151DA FR474151A FR 474151 A FR474151 A FR 474151A FR 474151D A FR474151D A FR 474151DA FR 474151 A FR474151 A FR 474151A
Authority
FR
France
Prior art keywords
automatic
semi
line system
telephone systems
automatic telephone
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
French (fr)
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.)
BETULANDER AUTOMATIC TELEPHONE Co Ltd
Original Assignee
BETULANDER AUTOMATIC TELEPHONE Co 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 BETULANDER AUTOMATIC TELEPHONE Co Ltd filed Critical BETULANDER AUTOMATIC TELEPHONE Co Ltd
Application granted granted Critical
Publication of FR474151A publication Critical patent/FR474151A/en
Expired legal-status Critical Current

Links

FR474151D 1913-04-23 1914-04-22 Line system for automatic or semi-automatic telephone systems Expired FR474151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE474151X 1913-04-23

Publications (1)

Publication Number Publication Date
FR474151A true FR474151A (en) 1915-02-10

Family

ID=43351449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR474151D Expired FR474151A (en) 1913-04-23 1914-04-22 Line system for automatic or semi-automatic telephone systems

Country Status (1)

Country Link
FR (1) FR474151A (en)

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