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	1.	No cover image available Scope of chemical industry in India / by Hara Gopal Biswas by Biswas, Hara Gopal Asutosh Collection (National Library, India) Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Calcutta : Bengal Chemical and Pharmaceutical Works, 1945 Availability: Items available for loan: National Library of India (1)Call number: A.C 382.60954 B 545. Place hold Request article Save to lists
	2.	No cover image available Development of the coal-tar colour industry / Heinrich Caro ; translated [from the German] and edited by Satya Prasanna Sen and Hara Gopal Biswas by Caro, Heinrich, 1834-1910 Biswas, Hara Gopal [trl,, trl] Sen, Satya Prasanna [trl,, edt] Material type: Text; Format: print ; Nature of contents: ; Literary form: Not fiction Language: English Publication details: Calcutta : Bengal Chemical and Pharmaceutical Works, 1948 Availability: Items available for loan: National Library of India (1)Call number: 135 G.923.. Place hold Request article Save to lists

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