FR803610A - Gas mask with microphone - Google Patents

Gas mask with microphone

Info

Publication number
FR803610A
FR803610A FR803610DA FR803610A FR 803610 A FR803610 A FR 803610A FR 803610D A FR803610D A FR 803610DA FR 803610 A FR803610 A FR 803610A
Authority
FR
France
Prior art keywords
microphone
gas mask
mask
gas
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.)
Applic Ind & Commerciales Soc
Original Assignee
Applic Ind & Commerciales Soc
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 Applic Ind & Commerciales Soc filed Critical Applic Ind & Commerciales Soc
Application granted granted Critical
Publication of FR803610A publication Critical patent/FR803610A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR803610D 1936-03-23 1936-03-23 Gas mask with microphone Expired FR803610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR803610T 1936-03-23

Publications (1)

Publication Number Publication Date
FR803610A true FR803610A (en) 1936-10-05

Family

ID=9250227

Family Applications (1)

Application Number Title Priority Date Filing Date
FR803610D Expired FR803610A (en) 1936-03-23 1936-03-23 Gas mask with microphone

Country Status (1)

Country Link
FR (1) FR803610A (en)

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