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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6352276
Kind Code:
B2
Inventors:
NAKANISHI WATARU
IMANISHI HAJIME
Application Number:
JP14441080A
Publication Date:
October 18, 1988
Filing Date:
October 17, 1980
Export Citation:
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Assignee:
NIT CO LTD
International Classes:
E02D3/12; F16L7/00; F16L9/18; F16L9/19; F16L37/00; F16L39/04