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1
المؤلفون: W. D. Hutchins, Harry Stevenson, R. S. Estey, L. M. Gill, G. Worthen Agee, James J. Lappen, N. T. Joyner, H. P. Trevithick
المصدر: Oil & Soap. 16:135-136
مصطلحات موضوعية: Agriculture, business.industry, General Chemical Engineering, Political science, Organic Chemistry, business, Agricultural economics
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2
المؤلفون: R. S. Estey, L. M. Gill, H. P. Trevithick, A. D. Rich, G. Wortiien Agee, J. Lappen, H. B. Stevenson, N. T. Joyner
المصدر: Oil & Soap. 17:125-126
مصطلحات موضوعية: Agriculture, business.industry, General Chemical Engineering, Political science, Organic Chemistry, business, Agricultural economics
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3
المؤلفون: T. G. Richert, K. S. Gibson, N. T. Joyner, Henry R. Kraybill, Arthur Schroder, P. E. Ronzone, W. A. Welch, R. S. Estey, L. M. Gill
المصدر: Oil & Soap. 13:168-168
مصطلحات موضوعية: Engineering, Agriculture, business.industry, General Chemical Engineering, Organic Chemistry, Grease, business, Color glass, Agricultural economics
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4
المؤلفون: W. D. Hutchins, H. B. Stevenson, R. S. Estey, L. M. Gill, H. P. Trevitchick, G. W. Agee, N. T. Joyner, J. Lappen
المصدر: Oil & Soap. 15:216-216
مصطلحات موضوعية: Engineering, business.industry, Agriculture, General Chemical Engineering, Organic Chemistry, Grease, business, Engineering physics, Management
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5
المؤلفون: K. S. Gibson, N. T. Joyner, P. E. Ronzone, T. G. Richert, Arthur Schroder, W. A. Welch, Henry R. Kraybill, R. S. Estey, L. M. Gill
المصدر: Oil & Soap. 13:169-169
مصطلحات موضوعية: Engineering, business.industry, Agriculture, General Chemical Engineering, Organic Chemistry, business, Agricultural economics, Color glass
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6
المؤلفون: G. W. Agee, M. G. Boulware, R. S. Estey, Egbert Freyer, K. S. Gibson, L. M. Gill, N. C. Hamner, N. T. Joyner, J. J. Lappen, R. C. Stillman, P. W. Tompkins, E. G. Williams, H. P. Trevithick
المصدر: Oil & Soap. 18:217-217
مصطلحات موضوعية: General Chemical Engineering, Organic Chemistry