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Audible signalling systems Audible personal calling systems
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Industry
CPC
G08B3/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
G
PHYSICS
G08
Signaling
G08B
SIGNALLING OR CALLING SYSTEMS ORDER TELEGRAPHS ALARM SYSTEMS
Current Industry
G08B3/00
Audible signalling systems Audible personal calling systems
Sub Industries
G08B3/02
using only mechanical transmission
G08B3/06
using hydraulic transmission using pneumatic transmission
G08B3/10
using electric transmission using electromagnetic transmission
G08B3/1008
Personal calling arrangements or devices
G08B3/1016
using wireless transmission
G08B3/1025
Paging receivers with audible signalling details
G08B3/1033
with voice message alert
G08B3/1041
with alternative alert
G08B3/105
with call or message storage means
G08B3/1058
Pager holders or housings
G08B3/1066
with other provisions not elsewhere provided for
G08B3/1075
Paging racks
G08B3/1083
Pager locating systems
G08B3/1091
Group calling
G08B3/14
using explosives
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CPC
G08B3/00
