Mine door leaf and method of manufacture thereof
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United States of America Patent
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-
N/A
Issued Date -
May 1, 2003
app pub date -
Nov 1, 2001
filing date -
Nov 1, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mine door leaf of hollow construction with the hollow infilled with a fluent filling material which, when solidified, attaches to the enclosing components of the door leaf.
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Cited Art Landscape
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