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Strenght characteristics and air-linkage determinations for alternative mine seal designs /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: United States. Bureau of Mines
Ētahi atu kaituhi: Weiss, E. S.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Avondale, Md. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
Rangatū:Report of investigations ; 9477
Report of investigations (United States. Bureau of Mines) ; 9477
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