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△由中国农业科学院棉花研究所等十一个单位起草制定的《棉花原种生产技术操作规程》(国家标准编号为:GB3242—82),国家标准总局已批准颁发实施。现由技术标准出版社出版,各地新华书店经售。该规程对棉花原种生产技术操作的主要环节提出了
△ by the Chinese Academy of Agricultural Sciences Institute of cotton and other units drafted 11 “cotton raw material production technology operating procedures” (the national standard number: GB3242-82), the State Administration of Standards has approved the issuance of the implementation. Now published by technical standards Press, Xinhua Bookstore throughout the sale. The rules of cotton production technology and operation of the main part of the proposed