CA685783A - Noise meter - Google Patents

Noise meter

Info

Publication number
CA685783A
CA685783A CA685783A CA685783DA CA685783A CA 685783 A CA685783 A CA 685783A CA 685783 A CA685783 A CA 685783A CA 685783D A CA685783D A CA 685783DA CA 685783 A CA685783 A CA 685783A
Authority
CA
Canada
Prior art keywords
noise meter
meter
noise
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
CA685783A
Inventor
C. Stewart Kenneth
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
Publication date
Application granted granted Critical
Publication of CA685783A publication Critical patent/CA685783A/en
Expired legal-status Critical Current

Links

CA685783A Noise meter Expired CA685783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA685783T

Publications (1)

Publication Number Publication Date
CA685783A true CA685783A (en) 1964-05-05

Family

ID=35988400

Family Applications (1)

Application Number Title Priority Date Filing Date
CA685783A Expired CA685783A (en) Noise meter

Country Status (1)

Country Link
CA (1) CA685783A (en)

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