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Method of heat sealing of material of the type having a thermoplastic coating on either side of a carrying layer

Keywords	Patent Application DePENNING & DePENNING Calcutta Patent Office Controller of Patents and Designs Inventor
Ministry/ Department/ Residency	PATENTS AND DESIGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1953
To Year / Date (YYYY-MM-DD)	1953
Identifier	NAIBHF00011001
File No./Reference No./Sheet No./Folio No.	90587
Location	BBSR-R1
File Size	53.3 MB
Pages	31
Language	English
Bundle Barcode	NAIBHB00000371
File Barcode	NAIBHF00011001
QC Certificate No.	QC_20240711BH
Bundle No.	179

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