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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0155490
Kind Code:
B2
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Inventors:
WAKITA MASAMICHI
Application Number:
JP7649079A
Publication Date:
November 24, 1989
Filing Date:
June 18, 1979
Export Citation:
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Assignee:
OSAKA GAS CO LTD
International Classes:
A63B71/06; A63B69/00; G06C3/00



 
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