Title:
GAS MASK
Document Type and Number:
Japanese Patent JPS57195475
Kind Code:
A
Inventors:
TSURUTA KUNIHIRO
MAKI MASAO
SANO SEIICHI
KOBAYASHI IKUO
MAKI MASAO
SANO SEIICHI
KOBAYASHI IKUO
Application Number:
JP8225781A
Publication Date:
December 01, 1982
Filing Date:
May 28, 1981
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
B01D53/94; A62B18/02; A62B23/04; B01J23/00; B01J23/84; B01J23/889; B01J23/89; (IPC1-7): A62B18/02; A62B23/04; B01D53/36; B01J23/84; B01J23/89
Domestic Patent References:
JPS54152391A | 1979-11-30 | |||
JPS4222638Y1 | 1967-12-22 | |||
JPS5560471U | 1980-04-24 |