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	1.	No cover image available CHEMICAL PROCESS ECONOMICS by Happel, John Material type: Text Publication details: N. Y. John Wiley 1958 Availability: Items available for loan: PK Kelkar Library, IIT Kanpur (1)Call number: 338.4 H21c. Place hold Add to cart (remove)
	2.	No cover image available CHEMICAL PROCESS ECONOMICS by Happel, John Material type: Text Publication details: N. Y. John Wiley 1958 Availability: Items available for reference: PK Kelkar Library, IIT Kanpur : Not for loan (1)Call number: 338.4 H21c. Add to cart (remove)
	3.	No cover image available CHEMICAL PROCESS ECONOMICS by Happel, John Material type: Text Publication details: N. Y. John Wiley 1958 Availability: Items available for loan: PK Kelkar Library, IIT Kanpur (1)Call number: 338.4 H21c. Place hold Add to cart (remove)

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