PL65968B1 - - Google Patents

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Publication number
PL65968B1
PL65968B1 PL129662A PL12966268A PL65968B1 PL 65968 B1 PL65968 B1 PL 65968B1 PL 129662 A PL129662 A PL 129662A PL 12966268 A PL12966268 A PL 12966268A PL 65968 B1 PL65968 B1 PL 65968B1
Authority
PL
Poland
Prior art keywords
supports
sleeves
connector
hydraulic
feet
Prior art date
Application number
PL129662A
Other languages
English (en)
Polish (pl)
Inventor
Radowicki Tadeusz
Original Assignee
Glówny Instytut Górnictwa
Filing date
Publication date
Application filed by Glówny Instytut Górnictwa filed Critical Glówny Instytut Górnictwa
Publication of PL65968B1 publication Critical patent/PL65968B1/pl

Links

PL129662A 1968-10-22 PL65968B1 (cs)

Publications (1)

Publication Number Publication Date
PL65968B1 true PL65968B1 (cs) 1972-04-29

Family

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