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Yao LIU
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Dalian City, Liaoning Province, CN
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Patents Grants
last 30 patents
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Patent Grant
Traverse-type measurement method for dual-system bilateral-survey c...
Patent number
11,029,151
Issue date
Jun 8, 2021
DALIAN SENBIOR SURVEYING INSTRUMENT TECHNOLOGY CO., LTD.
Yanchun Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
TRAVERSE-TYPE MEASUREMENT METHOD FOR DUAL-SYSTEM BILATERAL-SURVEY C...
Publication number
20190204077
Publication date
Jul 4, 2019
Dalian Senbior Surveying Instrument Technology Co,. Ltd.
Yanchun LIU
G01 - MEASURING TESTING