Hydraulic and earth engineering – Underground passageway – e.g. – tunnel
Patent
1980-02-21
1983-01-25
Kucia, R. R.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
174110PM, 174120R, 174120SR, 428389, 428390, 104138R, H01B 310
Patent
active
043700764
ABSTRACT:
A composition of high oxygen index that yields little visible smoke and little or no corrosive fume on combustion and having adequate mechanical and electrical properties for cable jackets and bedding comprises;
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ALCOA Bulletin The non-smoking fire retardant filler: ALCOA hydrated alumina reprint about Jan. 1976, 2 pages, Pittsburgh, Pa.
Braddock James E.
Sullivan Thomas
Bicc Limited
Kucia R. R.
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