Art
J-GLOBAL ID：201602001558009873 Reference number：58A0071235
Recent Improvements in Air Drilling Techniques.
空気掘さく技術の最近の発達(しや水技術の進歩が空気技術の発達を促し,岩粉処理等に問題はあるが,能率は良い)
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Author (1)：
PRANTLY M M
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Material：
World Oil
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Volume：
146
Issue：
6
Page：
140 142 144 149
Publication year：
1958
JST Material Number：
E0402A
ISSN：
0043-8790
CODEN：
WOOIA
Document type：
Article
Country of issue：
United States (USA)
JST classification (1)：
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Category name(code) classified by JST.
(RA020102)
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Terms in the title (4)：
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空気掘さく
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発達
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水
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能率
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