PL348943A3 - Cost-effective mine prop - Google Patents

Cost-effective mine prop

Info

Publication number
PL348943A3
PL348943A3 PL34894301A PL34894301A PL348943A3 PL 348943 A3 PL348943 A3 PL 348943A3 PL 34894301 A PL34894301 A PL 34894301A PL 34894301 A PL34894301 A PL 34894301A PL 348943 A3 PL348943 A3 PL 348943A3
Authority
PL
Poland
Prior art keywords
cost
mine prop
effective mine
effective
prop
Prior art date
Application number
PL34894301A
Inventor
Roman Iwanowicz
Marian Polus
Wojciech Staniewski
Original Assignee
Roman Iwanowicz
Marian Polus
Wojciech Staniewski
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 Roman Iwanowicz, Marian Polus, Wojciech Staniewski filed Critical Roman Iwanowicz
Priority to PL34894301A priority Critical patent/PL348943A3/en
Publication of PL348943A3 publication Critical patent/PL348943A3/en

Links

PL34894301A 2001-07-26 2001-07-26 Cost-effective mine prop PL348943A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL34894301A PL348943A3 (en) 2001-07-26 2001-07-26 Cost-effective mine prop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL34894301A PL348943A3 (en) 2001-07-26 2001-07-26 Cost-effective mine prop

Publications (1)

Publication Number Publication Date
PL348943A3 true PL348943A3 (en) 2003-01-27

Family

ID=20079236

Family Applications (1)

Application Number Title Priority Date Filing Date
PL34894301A PL348943A3 (en) 2001-07-26 2001-07-26 Cost-effective mine prop

Country Status (1)

Country Link
PL (1) PL348943A3 (en)

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Legal Events

Date Code Title Description
REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)