PL224722A1 - - Google Patents

Info

Publication number
PL224722A1
PL224722A1 PL22472280A PL22472280A PL224722A1 PL 224722 A1 PL224722 A1 PL 224722A1 PL 22472280 A PL22472280 A PL 22472280A PL 22472280 A PL22472280 A PL 22472280A PL 224722 A1 PL224722 A1 PL 224722A1
Authority
PL
Poland
Application number
PL22472280A
Other versions
PL126301B1 (en
Inventor
Bronislaw Lisiecki
Tadeusz Szwajca
Edward Janik
Kazimierz Zycinski
Wincenty Pretor
Roman Regulski
Zenon Kwiecien
Jerzy Bargiel
Ryszard Serwotka
Jan Kowol
Original Assignee
Kopalnia Wegla Kamiennego Wiec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kopalnia Wegla Kamiennego Wiec filed Critical Kopalnia Wegla Kamiennego Wiec
Priority to PL22472280A priority Critical patent/PL126301B1/pl
Publication of PL224722A1 publication Critical patent/PL224722A1/xx
Publication of PL126301B1 publication Critical patent/PL126301B1/pl

Links

PL22472280A 1980-06-04 1980-06-04 Hydraulic roof support unit with displaceable filling dam PL126301B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL22472280A PL126301B1 (en) 1980-06-04 1980-06-04 Hydraulic roof support unit with displaceable filling dam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL22472280A PL126301B1 (en) 1980-06-04 1980-06-04 Hydraulic roof support unit with displaceable filling dam

Publications (2)

Publication Number Publication Date
PL224722A1 true PL224722A1 (pl) 1981-12-11
PL126301B1 PL126301B1 (en) 1983-07-30

Family

ID=20003466

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22472280A PL126301B1 (en) 1980-06-04 1980-06-04 Hydraulic roof support unit with displaceable filling dam

Country Status (1)

Country Link
PL (1) PL126301B1 (pl)

Also Published As

Publication number Publication date
PL126301B1 (en) 1983-07-30

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