NO134711B
(cs )
1976-08-23
US1920765A
(en )
1933-08-01
Percussion tool
US2764138A
(en )
1956-09-25
Percussion tools having a reciprocable hammer piston actuated by combustion gases
US2854870A
(en )
1958-10-07
Pressure fluid operated tool with controlled power feed
NO119374B
(cs )
1970-05-11
GB1383720A
(en )
1974-02-12
Combustion engine driven hammer devices
US3056390A
(en )
1962-10-02
Internal combustion percussion tools and hammer pistons for such tools
FI71818C
(fi )
1987-02-09
Foerbraenningsmotordriven borr- och mejselhammare.
US2068660A
(en )
1937-01-26
Air feed control for rock drills
US1981764A
(en )
1934-11-20
Rock drill and like implement
US2396185A
(en )
1946-03-05
Machine for development of power in a certain direction
US1817153A
(en )
1931-08-04
Internal combustion engine
US1050806A
(en )
1913-01-21
Rotator for rock-drills.
US2446830A
(en )
1948-08-10
Percussive apparatus
US3336986A
(en )
1967-08-22
Percussion tool incorporating a combustion cylinder for driving a reciprocable hammer piston
SE178451C1
(cs )
1962-01-01
GB951919A
(en )
1964-03-11
Improvements in percussion tools incorporating a combustion cylinder for driving a reciprocable hammer piston
US2507737A
(en )
1950-05-16
Power-operated nut setter
SU969515A1
(ru )
1982-10-30
Пневматическа гвоздезабивна машина
JP2012177336A
(ja )
2012-09-13
エンジンおよびそれを備えたエンジン作業機
SU594307A1
(ru )
1978-02-25
Перфоратор с дизельным приводом
US884971A
(en )
1908-04-14
Pneumatic tool.
US1499145A
(en )
1924-06-24
Starting of high-compression oil engines
US2125013A
(en )
1938-07-26
Internal combustion percussive hammer
US1336930A
(en )
1920-04-13
Rock-drill seating and controlling means