China Systems engineering― GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/Z 31103-2014 Systems engineering―A guide for the application of GB/T 22032 (System life cycle processes) - 英文版
	GB/T 30999-2014 Systems and software engineering―Lifecycle management―Guidelines for process description - 英文版
	GB/T 30972-2014 Systems and software engineering―Software engineering environment services - 英文版

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