FR1245896A - Décibelmètre - Google Patents

Décibelmètre

Info

Publication number
FR1245896A
FR1245896A FR815911A FR815911A FR1245896A FR 1245896 A FR1245896 A FR 1245896A FR 815911 A FR815911 A FR 815911A FR 815911 A FR815911 A FR 815911A FR 1245896 A FR1245896 A FR 1245896A
Authority
FR
France
Prior art keywords
decibelmeter
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
FR815911A
Other languages
English (en)
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
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 Mine Safety Appliances Co filed Critical Mine Safety Appliances Co
Application granted granted Critical
Publication of FR1245896A publication Critical patent/FR1245896A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR815911A 1959-01-20 1960-01-18 Décibelmètre Expired FR1245896A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1245896XA 1959-01-20 1959-01-20

Publications (1)

Publication Number Publication Date
FR1245896A true FR1245896A (fr) 1960-11-10

Family

ID=22415749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815911A Expired FR1245896A (fr) 1959-01-20 1960-01-18 Décibelmètre

Country Status (1)

Country Link
FR (1) FR1245896A (fr)

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