PL291676A1 - Portable boring jig for use in underground mine workings - Google Patents

Portable boring jig for use in underground mine workings

Info

Publication number
PL291676A1
PL291676A1 PL29167691A PL29167691A PL291676A1 PL 291676 A1 PL291676 A1 PL 291676A1 PL 29167691 A PL29167691 A PL 29167691A PL 29167691 A PL29167691 A PL 29167691A PL 291676 A1 PL291676 A1 PL 291676A1
Authority
PL
Poland
Prior art keywords
underground mine
mine workings
boring jig
portable boring
portable
Prior art date
Application number
PL29167691A
Other versions
PL165910B1 (en
Inventor
Bohdan Sieniawski
Original Assignee
Bohdan Sieniawski
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 Bohdan Sieniawski filed Critical Bohdan Sieniawski
Priority to PL29167691A priority Critical patent/PL165910B1/en
Publication of PL291676A1 publication Critical patent/PL291676A1/en
Publication of PL165910B1 publication Critical patent/PL165910B1/en

Links

PL29167691A 1991-09-09 1991-09-09 Portable boring jig for use in underground mine workings PL165910B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29167691A PL165910B1 (en) 1991-09-09 1991-09-09 Portable boring jig for use in underground mine workings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29167691A PL165910B1 (en) 1991-09-09 1991-09-09 Portable boring jig for use in underground mine workings

Publications (2)

Publication Number Publication Date
PL291676A1 true PL291676A1 (en) 1993-03-22
PL165910B1 PL165910B1 (en) 1995-03-31

Family

ID=20055614

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29167691A PL165910B1 (en) 1991-09-09 1991-09-09 Portable boring jig for use in underground mine workings

Country Status (1)

Country Link
PL (1) PL165910B1 (en)

Also Published As

Publication number Publication date
PL165910B1 (en) 1995-03-31

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