AU2217529A - Improvements in and connected with apparatus for calling attendants - Google Patents

Improvements in and connected with apparatus for calling attendants

Info

Publication number
AU2217529A
AU2217529A AU22175/29A AU2217529A AU2217529A AU 2217529 A AU2217529 A AU 2217529A AU 22175/29 A AU22175/29 A AU 22175/29A AU 2217529 A AU2217529 A AU 2217529A AU 2217529 A AU2217529 A AU 2217529A
Authority
AU
Australia
Prior art keywords
attendants
calling
calling attendants
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
AU22175/29A
Inventor
George Bell Francis
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.)
Sterling Telephone & Electric Co Ltd
Original Assignee
Sterling Telephone & Electric Co Ltd
Filing date
Publication date
Application filed by Sterling Telephone & Electric Co Ltd filed Critical Sterling Telephone & Electric Co Ltd
Publication of AU2217529A publication Critical patent/AU2217529A/en
Expired legal-status Critical Current

Links

AU22175/29A 1929-09-02 Improvements in and connected with apparatus for calling attendants Expired AU2217529A (en)

Publications (1)

Publication Number Publication Date
AU2217529A true AU2217529A (en) 1930-02-04

Family

ID=

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