| 1 |
Changes in Title 'Air and Gas Drilling Manual'
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Air and Gas Drilling Manual
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Successful
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Changed Title
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access_type
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Paid
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2023-08-09 18:14
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2023-08-09 18:14
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| 2 |
Changes in Title 'Air and Gas Drilling Manual'
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Air and Gas Drilling Manual
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Successful
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Changed Title
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last_changed
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2023-07-28
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2023-03-18
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2023-08-09 18:14
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2023-08-09 18:14
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| 3 |
Changes in Title 'Air and Gas Drilling Manual'
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Air and Gas Drilling Manual
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Successful
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Changed Title
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subject_area
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Engineering: Mining; Engineering
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Engineering; Engineering: Mining
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2023-08-09 18:14
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2023-08-09 18:14
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| 4 |
New Title 'Air and Gas Drilling Manual'
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Air and Gas Drilling Manual
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Successful
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New Title
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-Empty-
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-Empty-
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-Empty-
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2023-04-28 18:12
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2023-04-28 18:12
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