|
US2716555A
(en)
|
|
Power operated chuck device
|
|
PL57107B1
(ko)
|
|
|
|
US2775898A
(en)
|
|
Power-driven hand device to be used as a tool for multiple purposes
|
|
US425718A
(en)
|
|
William walker |
|
US3480053A
(en)
|
|
Pressure roll drives
|
|
US2887299A
(en)
|
|
Guide housing for rotary drill drive
|
|
US1545243A
(en)
|
|
Transmission gearing for machine tools and other purposes
|
|
US770381A
(en)
|
|
Mechanism for turning wrist-pins |
|
US1741133A
(en)
|
|
Mining machine
|
|
US1679139A
(en)
|
|
Drilling mechanism
|
|
US1963039A
(en)
|
|
Drilling mechanism
|
|
US2268572A
(en)
|
|
Rock drill
|
|
US2344065A
(en)
|
|
Cutting or drilling device
|
|
US1662794A
(en)
|
|
Mining machine
|
|
US722810A
(en)
|
|
Cold-iron-sawing machine.
|
|
PL66730B1
(ko)
|
|
|
|
US997024A
(en)
|
|
Means for mounting the tools of milling-machines.
|
|
US464374A
(en)
|
|
Sylvania |
|
US1228110A
(en)
|
|
Boring-machine.
|
|
US1174815A
(en)
|
|
Milling-machine and the like.
|
|
US1638361A
(en)
|
|
Mining machine
|
|
US650189A
(en)
|
|
Double saw for cutting button-blanks.
|
|
US1450540A
(en)
|
|
Saw for sawing trees
|
|
US779931A
(en)
|
|
Boring-machine.
|
|
US1830267A
(en)
|
|
Mining machine
|