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Improvements in or relating to heat exchange and cooling of gases at very low temperatures, particularly applicable to liquefaction of gaseous and other materials.

Keywords	Petrocarbon Developments Limited He Gas India R. Hall Remfray & Son Patent H2 Gas
Ministry/ Department/ Residency	PATENTS AND DISGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1962
To Year / Date (YYYY-MM-DD)	1962
Identifier	NAIBHF00007330
File No./Reference No./Sheet No./Folio No.	85414
Location	BBSR-R1
File Size	50.9 MB
Pages	30
Language	English
Bundle Barcode	NAIBHB00000295
File Barcode	NAIBHF00007330
QC Certificate No.	QC_20240703BH
Bundle No.	103

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