PL38266B1 - - Google Patents

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Publication number
PL38266B1
PL38266B1 PL38266A PL3826654A PL38266B1 PL 38266 B1 PL38266 B1 PL 38266B1 PL 38266 A PL38266 A PL 38266A PL 3826654 A PL3826654 A PL 3826654A PL 38266 B1 PL38266 B1 PL 38266B1
Authority
PL
Poland
Prior art keywords
conveyor
working unit
coal
loading
face
Prior art date
Application number
PL38266A
Other languages
English (en)
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL38266B1 publication Critical patent/PL38266B1/pl

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PL38266A 1954-10-28 PL38266B1 (show.php)

Publications (1)

Publication Number Publication Date
PL38266B1 true PL38266B1 (show.php) 1955-02-15

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