Document Type and Number:
Japanese Patent JPS6110204
Kind Code:
B2
More Like This:
Inventors:
TAKAHASHI OSAMU
WATANABE YASUO
WATANABE YASUO
Application Number:
JP6475077A
Publication Date:
March 28, 1986
Filing Date:
June 03, 1977
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B21B37/18; B21B37/78; B21B19/04