Patent application for improvements in and relating to methods of producing toughened glass.

Keywords	Pilkington Brothers Ltd. DePenning Naingen India Glass Toughened
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Identifier	NAIBHF00003675
File No./Reference No./Sheet No./Folio No.	762284
Location	BBSR-R1
File Size	48.4 MB
Pages	27
Collection	Public Records
Language	English
Bundle Barcode	NAIBHB00000218
File Barcode	NAIBHF00003675
QC Certificate No.	QC_20240624BH
Bundle No.	26