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WANCHAI RATANASIRIGULCHA
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SUGAR LAND, TX, US
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last 30 patents
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Patent Grant
Charge holder apparatus
Patent number
7,347,279
Issue date
Mar 25, 2008
Schlumberger Technology Corporation
Haoming Li
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
CHARGE HOLDER APPARATUS
Publication number
20050173118
Publication date
Aug 11, 2005
SCHLUMBERGER TECHNOLOGY CORPORATION
HAOMING LI
E21 - EARTH DRILLING MINING