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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6323351
Kind Code:
B2
Inventors:
KURIMOTO NAKATOMI
Application Number:
JP9647883A
Publication Date:
May 16, 1988
Filing Date:
May 30, 1983
Export Citation:
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Assignee:
KURIMOTO MASAFUMI
International Classes:
E21B7/24; E21B3/00; E21B6/04