Patent Application for Improvements in or relating to Amplifying Devices for use in Telephones

Keywords	Philips Netherlands Patent Eindhoven Hilversum India May
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Identifier	NAIBHF00004370
File No./Reference No./Sheet No./Folio No.	77027
Location	BBSR-R1
File Size	12.9 MB
Pages	7
Collection	Public Records
Language	English
Bundle Barcode	NAIBHB00000233
File Barcode	NAIBHF00004370
QC Certificate No.	QC_20240626BH
Bundle No.	41