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Triangular Shaped Cutting Head for Use With a Longwall Mining Machine.

Authors
Roepke-WW; Anderson-SJ
Source
U S Pat 4 303 277 1981 Dec; :
Link
NIOSHTIC No.
10006732
Abstract
MISSING
Publication Date
19811201
Document Type
PA;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
P 39-81
Source Name
U.S. Pat. 4,303,277, Dec. 1, 1981
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