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Author:
Journal / Book Title:
Year:
Volume:
Issue:
zuo dao zuo ju jie jian
Author(s):
ZHANG Fuquan
Pages:
24
Year:
1957
Issue:
20
Journal:
Geology and Prospecting
Keyword:
效果良好
;
实际使用
;
事故
;
供参考
;
分局
;
处理
;
协助
;
严重
;
心管
;
设计
;
Abstract:
<正> 我分局崔文有同志在协助102队538机处理一次严重井内挤夹遗留鑽具事故时,设计了一种銑刀鑽具,经实际使用结果证明,其效果良好。现介绍给大家,供参考。
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