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Method of Effecting Expanding Chemical Anchor/seal Rock Cavities.

Authors
Swanson-DE; Schlumpberger-MX
Source
U S Pat 4 966 237 1990 Oct; :
Link
NIOSHTIC No.
10006185
Abstract
MISSING
Publication Date
19901001
Document Type
PA;
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Identifying No.
P 3-90
NIOSH Division
TCRC;
Source Name
U.S. Pat. 4,966,237; Oct. 30, 1990
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