IL135474A0 - Call duration informing device for telephone and telephone set
- Google Patents
Call duration informing device for telephone and telephone set
Info
Publication number
IL135474A0
IL135474A0IL13547400AIL13547400AIL135474A0IL 135474 A0IL135474 A0IL 135474A0IL 13547400 AIL13547400 AIL 13547400AIL 13547400 AIL13547400 AIL 13547400AIL 135474 A0IL135474 A0IL 135474A0
Authority
IL
Israel
Prior art keywords
telephone
call duration
informing device
telephone set
duration informing
Prior art date
Application number
IL13547400A
Original Assignee
Chuo & 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 Chuo & Co LtdfiledCriticalChuo & Co Ltd
Priority to IL13547400ApriorityCriticalpatent/IL135474A0/en
Publication of IL135474A0publicationCriticalpatent/IL135474A0/en