PL66716B1 - - Google Patents

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Publication number
PL66716B1
PL66716B1 PL126571A PL12657168A PL66716B1 PL 66716 B1 PL66716 B1 PL 66716B1 PL 126571 A PL126571 A PL 126571A PL 12657168 A PL12657168 A PL 12657168A PL 66716 B1 PL66716 B1 PL 66716B1
Authority
PL
Poland
Prior art keywords
cutting
knives
ring
header
mineral
Prior art date
Application number
PL126571A
Other languages
English (en)
Polish (pl)
Original Assignee
Zaklady Konstrukcyjno Mechanizacyjne Przemysluweglowego
Zaklady Konstrukcyjnomechanizacyjne Przemysluweglowego
Filing date
Publication date
Application filed by Zaklady Konstrukcyjno Mechanizacyjne Przemysluweglowego, Zaklady Konstrukcyjnomechanizacyjne Przemysluweglowego filed Critical Zaklady Konstrukcyjno Mechanizacyjne Przemysluweglowego
Publication of PL66716B1 publication Critical patent/PL66716B1/pl

Links

PL126571A 1968-04-22 PL66716B1 (de)

Publications (1)

Publication Number Publication Date
PL66716B1 true PL66716B1 (de) 1972-08-31

Family

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