JPS5596168A - Dust mask with talking device - Google Patents

Dust mask with talking device

Info

Publication number
JPS5596168A
JPS5596168A JP389279A JP389279A JPS5596168A JP S5596168 A JPS5596168 A JP S5596168A JP 389279 A JP389279 A JP 389279A JP 389279 A JP389279 A JP 389279A JP S5596168 A JPS5596168 A JP S5596168A
Authority
JP
Japan
Prior art keywords
dust mask
talking device
talking
mask
dust
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.)
Pending
Application number
JP389279A
Other languages
Japanese (ja)
Inventor
Takao Nakagawa
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP389279A priority Critical patent/JPS5596168A/en
Publication of JPS5596168A publication Critical patent/JPS5596168A/en
Pending legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP389279A 1979-01-19 1979-01-19 Dust mask with talking device Pending JPS5596168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP389279A JPS5596168A (en) 1979-01-19 1979-01-19 Dust mask with talking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP389279A JPS5596168A (en) 1979-01-19 1979-01-19 Dust mask with talking device

Publications (1)

Publication Number Publication Date
JPS5596168A true JPS5596168A (en) 1980-07-22

Family

ID=11569827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP389279A Pending JPS5596168A (en) 1979-01-19 1979-01-19 Dust mask with talking device

Country Status (1)

Country Link
JP (1) JPS5596168A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177151U (en) * 1982-05-21 1983-11-26 株式会社重松製作所 Mask with public address system
JP2016092630A (en) * 2014-11-06 2016-05-23 防衛装備庁長官 Protective mask

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177151U (en) * 1982-05-21 1983-11-26 株式会社重松製作所 Mask with public address system
JP2016092630A (en) * 2014-11-06 2016-05-23 防衛装備庁長官 Protective mask

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