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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS568800
Kind Code:
Y2
Application Number:
JP7909376U
Publication Date:
February 25, 1981
Filing Date:
June 18, 1976
Export Citation:
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International Classes:
B64C31/02; B64C31/032; B64C31/06; B64D17/60; B64D17/80; (IPC1-7): B64D17/80