GB/T 20257.1-2007 English version, GB/T 20257.1-2007 Cartographic symbols for national fundamental scale maps - Part 1: Specifications for cartographic symbols 1:500 1:1000�� 1:2000 topographic maps (English)

GB/T 20257.1-2007 Cartographic symbols for national fundamental scale maps - Part 1: Specifications for cartographic symbols 1:500 1:1000�� 1:2000 topographic maps (English)
Standard No.	GB/T 20257.1-2007	Status	Latest
Language		File Format	PDF
Price	1740 USD	Delivery Time	within 1~3 business day

Superseding
Chinese Name	��һ��ߵ�ͼͼʽ ��1��֣�1:500 1:1000 1:2000��ͼͼʽ
English Name
Chinese Standard Classification
Professional Classification
ICS Classification
Issued on	2007-10-17
Implemented on	2007-12-01
Abolished on
Issued by	AQSIQ, SAC
Chinese Pages
Word Count	58000 words

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