H04M9/008 - CPC Classification Index

ClassID:

227802 ⎘

H04M9/008 - CPC Classification

Classification description:

Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems Multiplex systems

Recent Application in this class:

20180316798

2018-11-01

COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION ADAPTER