Application for patent improvements in or relating to ballast devices for gas and/or vapor discharge tubes.

Keywords	Philips CANTWELL & CO. India Choke Coil Ballast Device
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Identifier	NAIBHF00003401
File No./Reference No./Sheet No./Folio No.	75995
Location	BBSR-R1
File Size	26.0 MB
Pages	17
Collection	Public Records
Language	English
Bundle Barcode	NAIBHB00000212
File Barcode	NAIBHF00003401
QC Certificate No.	QC_20240624BH
Bundle No.	20