Title:
DUSTPROOF MASK
Document Type and Number:
Japanese Patent JPS56130164
Kind Code:
A
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Inventors:
SUESHIGE TATEMI
Application Number:
JP3329980A
Publication Date:
October 12, 1981
Filing Date:
March 15, 1980
Export Citation:
Assignee:
SUESHIGE TATEMI
International Classes:
A62B18/04; A62B7/12; (IPC1-7): A62B7/12