Patent application related to Improvements in Hydraulic Roof Supports

Keywords	DePENNING Dowty Mining Equipment Ltd Prop Unit
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Identifier	NAIBHF00003299
File No./Reference No./Sheet No./Folio No.	75892
Location	BBSR-R1
File Size	36.1 MB
Pages	22
Collection	Public Records
Language	English
Bundle Barcode	NAIBHB00000210
File Barcode	NAIBHF00003299
QC Certificate No.	QC_20240622BH
Bundle No.	18