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Pneumatic Concrete Placement for Shaft and Adit Closures.

Authors
Burnett-M
Source
Available for Reference At Bureau Libraries NTIS: PB 93-113991 :33 pages
Link
NIOSHTIC No.
10011487
Abstract
A system was developed to pneumatically seal mine entries with a minimum of equipment and expense. This system mechanically feeds and pneumatically transports aggregate mixed with the proper amount of water and pneumatically transports a metered amount of dry cement.
Publication Date
19920101
Document Type
CP; Final Contract Report;
Fiscal Year
1992
NTIS Accession No.
PB93-113991
NTIS Price
A04
Identifying No.
OFR 100-92
Source Name
Available for Reference At Bureau Libraries; NTIS: PB 93-113991
Performing Organization
Burnett Engineering
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