ES537901A0
(en )
1986-05-16
A DEVICE TO OPERATE A AND-OR PERCUSSION DRILLING TOOL
GB8430884D0
(en )
1985-01-16
Actuating tool in well at given depth
AR217721A1
(en )
1980-04-15
SHEAR CUTTER ASSEMBLY IN A WELL CONTROL ARMOR
MX160357A
(en )
1990-02-12
IMPROVEMENTS TO A RIVETING MACHINE
ZA791825B
(en )
1980-05-28
Bit arrangement for a cutting tool
MX163104B
(en )
1991-08-26
HANDLE TO GOVERN A BAGGAGE BAG
GB2104571B
(en )
1983-07-13
Improvements in or relating to a cutter bit holder
IT7948499A0
(en )
1979-03-27
FASTENER FOR MOUNTING A TOOL INTO A MACHINE
MX150545A
(en )
1984-05-24
IMPROVEMENTS TO TOOL TO EXTEND DRILLS THROUGH MILLING
ES544073A0
(en )
1986-12-01
IMPROVEMENTS IN A DEVICE TO OFFSET ROTATING SHOCK
MX156726A
(en )
1988-09-27
IMPROVEMENTS TO WELLS TOOLS
MX154348A
(en )
1987-07-20
IMPROVEMENTS IN A CUTTING TOOL USED IN TORNOS
EP0121124A3
(en )
1986-01-29
An improved diamond cutting element in a rotating bit
JPS557390A
(en )
1980-01-19
Rock cutting tool
MX159846A
(en )
1989-09-08
IMPROVEMENTS TO CUTTING TOOL ASSEMBLY
GB2015912B
(en )
1982-09-22
Rock working tool
MX155676A
(en )
1988-04-12
IMPROVEMENTS IN ROCK CRUSHER
GB2098528B
(en )
1986-03-26
A power tool
ES273313Y
(en )
1984-06-01
A DRILLING ARRANGEMENT INTENDED FOR USE IN ROCK DRILLING FOR PERCUSSION
ES522557A0
(en )
1984-05-01
IMPROVEMENTS IN A DEVICE TO FEED WORK PIECES IN THE FORM OF PLANS TO A MACHINE TOOL.
MX148720A
(en )
1983-06-06
IMPROVED TOOL FOR A ROCK BREAKER HAMMER
ES494966A0
(en )
1981-08-01
A WELL-DOWN MOTOR TO ENCOURAGE A ROCK BREAKER TOOL.
ES502309A0
(en )
1982-08-16
IMPROVEMENTS IN A POWDER-DRIVEN TOOL TO MAKE FIXING ELEMENTS OR NAILS
MX152264A
(en )
1985-06-17
IMPROVEMENTS IN A BOTTOM MOTOR TO OPERATE A ROCK BREAKER TOOL
AR225888A1
(en )
1982-05-14
IMPROVEMENTS IN A SHEAR CUTTER ASSEMBLY IN A WELL CONTROL ARMOR