GB2159271B
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1988-05-18
Surface flaw detecting method and apparatus
GB2208717B
(en )
1992-01-02
Method and apparatus for measuring resistivity of geologic formations
EP0263475A3
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1990-02-28
Ultrasonic flaw detecting method and apparatus
EP0286994A3
(en )
1990-03-14
Method and arrangement for the detection of surface flaws
JPS57101746A
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1982-06-24
Detection method of and apparatus for hydrocarbon in water
EP0165711A3
(en )
1987-10-28
Method and apparatus for detecting thermal waves
EP0323773A3
(en )
1989-07-19
Method and apparatus for subsurface formation evaluation
EP0210925A3
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1988-01-27
Downhole seismic exploration device and apparatus
EP0261825A3
(en )
1989-08-23
Method and apparatus for acoustic logging of boreholes
IL89262A0
(en )
1989-09-10
Method and apparatus for predicting floating point exceptions
EP0197341A3
(en )
1989-09-13
Method of and apparatus for measuring coordinates
EP0299875A3
(en )
1990-10-31
Method of measuring resistivity, and apparatus therefor
DE3373709D1
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1987-10-22
Method and apparatus for ultrasonic flaw detection
ZA887103B
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1989-07-26
Gas detection method and apparatus
EP0159270A3
(en )
1988-05-18
Method and apparatus for determining properties of subsurface formations
GB8728016D0
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1988-01-06
Methods and apparatus for measuring transverse dimensions of workpieces
GB2222262B
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1992-02-12
Method and apparatus for measuring the depth of cracks
GB2183831B
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1989-11-01
Method and apparatus for determining the porosity of geological formations
PL252282A1
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1986-09-09
Method of and apparatus for detecting resilent waves being propagated in geological deposits
DE3663055D1
(en )
1989-06-01
Apparatus and method for determining the orientation of fractures in a geological formation
GR861902B
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1986-11-24
Method and apparatus for ultrasonic interface detection
PL252281A1
(en )
1986-09-09
Method of and apparatus for detecting resilent waves coming in particular from geological deposits
IL85334A
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1991-06-10
Method and apparatus for measuring water content
GB2173900B
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1988-12-29
Apparatus and method for locating towed seismic apparatus
PL252280A1
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1986-09-09
Method of and apparatus for detection of acoustic waves coming in particular from geological deposits