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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0423286
Kind Code:
B2
Inventors:
NAKAMURA SHOZO
MATSUSHIMA TOKUNORI
IMAIZUMI TATSUO
Application Number:
JP16260680A
Publication Date:
April 21, 1992
Filing Date:
November 20, 1980
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
F22D1/00; G05D9/12



 
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