CH70053A - Hearing protection device - Google Patents

Hearing protection device

Info

Publication number
CH70053A
CH70053A CH70053A CH70053DA CH70053A CH 70053 A CH70053 A CH 70053A CH 70053 A CH70053 A CH 70053A CH 70053D A CH70053D A CH 70053DA CH 70053 A CH70053 A CH 70053A
Authority
CH
Switzerland
Prior art keywords
protection device
hearing protection
hearing
protection
Prior art date
Application number
CH70053A
Other languages
German (de)
Inventor
Arnulph Mallock
Original Assignee
Arnulph Mallock
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 Arnulph Mallock filed Critical Arnulph Mallock
Publication of CH70053A publication Critical patent/CH70053A/en

Links

CH70053A 1915-02-06 1915-02-06 Hearing protection device CH70053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH70053T 1915-02-06

Publications (1)

Publication Number Publication Date
CH70053A true CH70053A (en) 1915-08-16

Family

ID=4318431

Family Applications (1)

Application Number Title Priority Date Filing Date
CH70053A CH70053A (en) 1915-02-06 1915-02-06 Hearing protection device

Country Status (1)

Country Link
CH (1) CH70053A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120632B (en) * 1960-11-15 1961-12-28 Pfau Wanfried G M B H H Noise protection device for the human ear
DE10210004A1 (en) * 2002-03-07 2003-09-18 Mobalegh Naseri Morteza Earplugs, assembled of ring with perforated or grid-shaped membrane and various versions of holding facilities

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1120632B (en) * 1960-11-15 1961-12-28 Pfau Wanfried G M B H H Noise protection device for the human ear
DE10210004A1 (en) * 2002-03-07 2003-09-18 Mobalegh Naseri Morteza Earplugs, assembled of ring with perforated or grid-shaped membrane and various versions of holding facilities

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