Council of Scientific and Industrial Research (1975) Improvements in or relating to powderless etching of aluminium and its alloys for photo engraving and block making. 137589.

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Item Type:	Patent
Uncontrolled Keywords:	Photo engraving; Block making
Subjects:	Industrial Metal Finishing Electrochemical Materials Science
Divisions:	UNSPECIFIED
Depositing User:	ttbdar CECRI
Date Deposited:	09 Mar 2012 11:47
Last Modified:	09 Mar 2012 11:47
URI:	http://cecri.csircentral.net/id/eprint/1919

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