JPS54148102A
(en )
1979-11-20
Mineral substance mining method
JPS543322A
(en )
1979-01-11
Method of constructing underground structure
PL211954A1
(pl )
1979-12-17
Sposob likwidowania wybranej przestrzeni w komorowofilarowym systemie eksploatacji gorniczej
JPS5567589A
(en )
1980-05-21
Method of mortar made simulation rocks
JPS5314933A
(en )
1978-02-10
Method of tunnel construction
JPS5330140A
(en )
1978-03-22
Method of underground building structure
JPS5286240A
(en )
1977-07-18
Tunnel construction method
JPS5364929A
(en )
1978-06-09
Method of excavating tunnel
JPS54160023A
(en )
1979-12-18
Tunnel structure and its constructing method
JPS54105828A
(en )
1979-08-20
Method of tunnel excavation construction
JPS5496228A
(en )
1979-07-30
Method of constructing tunnel
DK423579A
(da )
1980-04-11
System og metode til borehul-logging
JPS52142838A
(en )
1977-11-29
Method of tunnel excavation construction
JPS5330142A
(en )
1978-03-22
Method of underground building structure
JPS5328934A
(en )
1978-03-17
Method of underground building structure
JPS5289226A
(en )
1977-07-26
Method of building underground structure
JPS53613A
(en )
1978-01-06
Construction method of underground structure
JPS532303A
(en )
1978-01-11
Method of connecting wells
JPS5581998A
(en )
1980-06-20
Underground structure building method
JPS52109706A
(en )
1977-09-14
Execution method of continuous underground wall introducing prestress
JPS5452814A
(en )
1979-04-25
Method of constructing underground structure
JPS5356834A
(en )
1978-05-23
Construction method of underground structure that use tunnel
JPS5378608A
(en )
1978-07-12
Method of making underground concrete structure
JPS54118303A
(en )
1979-09-13
Mining method
PL205244A1
(pl )
1978-11-20
Sposob prowadzenia eksploatacji pol gorniczych