Improvements in or relating to loudspeaking telephone systems having several main stations

Keywords	Philips Eindhoven Netherlands Queen Engineer Technician Patent
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Source Organization	NA
Identifier	NAIBHF00004371
File No./Reference No./Sheet No./Folio No.	77028
Location	BBSR-R1
Part No.	NA
File Size	26.8 MB
Pages	15
Collection	Public Records
Call Number	NA
Publisher	NA
Subject	NA
Creator	NA
Accession Number	NA
Series	NA
Year of Publication	NA
Language	English
Bundle Barcode	NAIBHB00000233
Location Code	NA
File Barcode	NAIBHF00004371
QC Certificate No.	QC_20240626BH
Bundle No.	41