SU268200A1 - - Google Patents

Info

Publication number
SU268200A1
SU268200A1 SU1252004A SU1252004A SU268200A1 SU 268200 A1 SU268200 A1 SU 268200A1 SU 1252004 A SU1252004 A SU 1252004A SU 1252004 A SU1252004 A SU 1252004A SU 268200 A1 SU268200 A1 SU 268200A1
Authority
SU
USSR - Soviet Union
Prior art keywords
lever
valve
membrane
cantilever
inhalation
Prior art date
Application number
SU1252004A
Other languages
English (en)
Russian (ru)
Publication of SU268200A1 publication Critical patent/SU268200A1/ru

Links

SU1252004A SU268200A1 (https=)

Publications (1)

Publication Number Publication Date
SU268200A1 true SU268200A1 (https=)

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572176A (en) * 1982-12-10 1986-02-25 Dragerwerk Aktiengesellschaft Control for a protective mask which operates with excess internal pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572176A (en) * 1982-12-10 1986-02-25 Dragerwerk Aktiengesellschaft Control for a protective mask which operates with excess internal pressure

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