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北京七維航測科技有限公司

北斗定位授時,GNSS/GPS/BD定位導(dǎo)航,高精度傳感器,無人機

010-57800988

13811608576

Chinese

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Contact phone : 010-57800988

Phone : 13811608576

QQ : 1545186355

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Website : http://www.sdi-china.com

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