Title:
MANGAN NOJUURUSAISHUSHISUTEMU
Document Type and Number:
Japanese Patent JPS5174904
Kind Code:
A
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Inventors:
YOSHIDA KINGO
Application Number:
JP396075A
Publication Date:
June 29, 1976
Filing Date:
December 25, 1974
Export Citation:
Assignee:
YOSHIDA KINGO
International Classes:
E21C45/00; E21C50/02; (IPC1-7): E21C45/00