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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6311550
Kind Code:
B2
Inventors:
HIRAKAWA OSAMU
Application Number:
JP14560581A
Publication Date:
March 15, 1988
Filing Date:
September 17, 1981
Export Citation:
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Assignee:
NIPPON PISTON RING CO LTD
International Classes:
B22D19/00; B22F7/08; F01L1/04; F16H53/02