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A comment upon present-day applied geophysics

Patents on geophysical prospecting issued in the United States, England, Canada, Australia, Germany, France, and Russia

Published Year

• 1930-1939 (2) *

Subject

• Geophysics (2) *
• Prospecting (1)

Author

• Ayvazoglou, W. (1)
• Lee, F. W. (1)

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