试论利用专利文献进行技术评价和预测的可靠性

试论利用专利文献进行技术评价和预测的可靠性

Library and Information Service ›› 1987, Vol. 31 ›› Issue (3) : 24-26.

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Library and Information Service ›› 1987, Vol. 31 ›› Issue (3) : 24-26.

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