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Singapore, SG
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last 30 patents
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Patent Grant
Continuous drilling system
Patent number
11,454,075
Issue date
Sep 27, 2022
Japan Agency for Marine-Earth Science and Technology
Tomokazu Saruhashi
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
CONTINUOUS DRILLING SYSTEM
Publication number
20200340318
Publication date
Oct 29, 2020
Tomokazu Saruhashi
E21 - EARTH DRILLING MINING