NITI Aayog Library

(National Institution for Transforming India)

Government of India

 

Planning and mechanized drifting at collieries


622.33
S616P
           Sinclair, John
               Planning and mechanized drifting at collieries \ John Sinclair - London : Sir Isaac Pitman, 1963.
               vii, 358p.
42746
                Subjects: Mining engineering; Drafts.


                                                                           
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