FR65290E - Stratoscope - Google Patents

Stratoscope

Info

Publication number
FR65290E
FR65290E FR65290DA FR65290E FR 65290 E FR65290 E FR 65290E FR 65290D A FR65290D A FR 65290DA FR 65290 E FR65290 E FR 65290E
Authority
FR
France
Prior art keywords
stratoscope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
Original Assignee
Union Carbide and Carbon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide and Carbon Corp filed Critical Union Carbide and Carbon Corp
Application granted granted Critical
Publication of FR65290E publication Critical patent/FR65290E/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR65290D 1953-08-26 1953-08-26 Stratoscope Expired FR65290E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR65290T 1953-08-26

Publications (1)

Publication Number Publication Date
FR65290E true FR65290E (en) 1956-02-08

Family

ID=8698217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR65290D Expired FR65290E (en) 1953-08-26 1953-08-26 Stratoscope

Country Status (1)

Country Link
FR (1) FR65290E (en)

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