GB1090982A
(enExample )
1900-01-01
SE9503013L
(sv )
1997-03-01
Förfarande, bergborrverktyg, bergborrkrona och mellanelement för att överföra slagenerig från ett topphammaraggregat
GB112786A
(en )
1918-01-31
Improvements in or relating to Pneumatic Percussive Tools.
US1760985A
(en )
1930-06-03
Spring handle for percussive tools
GB1246357A
(en )
1971-09-15
Improvements relating to impact mechanisms
US573260A
(en )
1896-12-15
Impact-tool
US808330A
(en )
1905-12-26
Tool-handle.
US871594A
(en )
1907-11-19
Rock-drill.
GB191004392A
(en )
1911-02-22
Improvements relating to Percussive Mining Drills.
GB191008325A
(en )
1911-04-06
Improvements relating to Percussive Drilling, Channelling and like Machines.
GB190405496A
(en )
1905-02-23
Improvements in and relating to Rock-drills, Pneumatic Hammers and other Percussive Tools.
GB191101236A
(en )
1911-06-21
Improvements in Pneumatic Hammers.
US1138209A
(en )
1915-05-04
Percussive tool.
GB190814899A
(en )
1909-01-21
Improvement in Pneumatic Tool Retainers.
GB191125703A
(en )
1912-10-31
Improvements in connection with Tube-cleaning or like Apparatus.
GB190201799A
(en )
1902-12-18
Improvements in Apparatus to be Affixed to Pneumatic or other Portable Pressure Hammers.
GB189715095A
(en )
1898-04-23
Improvements in Rock Drills.
GB190809136A
(en )
1908-08-06
Improvements in or relating to Steam and other Fluid-pressure Hammers.
GB190015552A
(en )
1900-12-01
Improvements in Boring or Drillilng Tools for Coal and the like.
GB103619A
(en )
1917-02-01
Improvements relating to Pneumatically Operated Percussion Tools.
GB190902211A
(en )
1909-10-14
Improvements in and relating to Pneumatic Hand Hammers.
GB190114353A
(en )
1902-05-29
Improvements in Percussive Hammers and similar Tools.
GB190710248A
(en )
1908-05-04
Improvements in or connected with Rock Drills.
GB190820267A
(en )
1909-09-27
Improvements in Rock Boring Machines.
GB476812A
(en )
1937-12-15
Apparatus for riveting or for other striking work