KR890012663U - 방독면의 통화장치 - Google Patents

방독면의 통화장치

Info

Publication number
KR890012663U
KR890012663U KR2019870024341U KR870024341U KR890012663U KR 890012663 U KR890012663 U KR 890012663U KR 2019870024341 U KR2019870024341 U KR 2019870024341U KR 870024341 U KR870024341 U KR 870024341U KR 890012663 U KR890012663 U KR 890012663U
Authority
KR
South Korea
Prior art keywords
gas mask
mask
gas
Prior art date
Application number
KR2019870024341U
Other languages
English (en)
Other versions
KR900004493Y1 (ko
Inventor
이용백
Original Assignee
이용백
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 이용백 filed Critical 이용백
Priority to KR2019870024341U priority Critical patent/KR900004493Y1/ko
Publication of KR890012663U publication Critical patent/KR890012663U/ko
Application granted granted Critical
Publication of KR900004493Y1 publication Critical patent/KR900004493Y1/ko

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
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B15/00—Installations affording protection against poisonous or injurious substances, e.g. with separate breathing apparatus
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Toxicology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
KR2019870024341U 1987-12-31 1987-12-31 방독면의 통화장치 KR900004493Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870024341U KR900004493Y1 (ko) 1987-12-31 1987-12-31 방독면의 통화장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870024341U KR900004493Y1 (ko) 1987-12-31 1987-12-31 방독면의 통화장치

Publications (2)

Publication Number Publication Date
KR890012663U true KR890012663U (ko) 1989-08-07
KR900004493Y1 KR900004493Y1 (ko) 1990-05-21

Family

ID=19271236

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870024341U KR900004493Y1 (ko) 1987-12-31 1987-12-31 방독면의 통화장치

Country Status (1)

Country Link
KR (1) KR900004493Y1 (ko)

Also Published As

Publication number Publication date
KR900004493Y1 (ko) 1990-05-21

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
O032 Opposition [utility model]: request for opposition
C193 Request for withdrawal (abandonment)