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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5294698
Kind Code:
U
Application Number:
JP180376U
Publication Date:
July 15, 1977
Filing Date:
January 13, 1976
Export Citation:
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International Classes:
B63H20/08; (IPC1-7): B63H21/26
Domestic Patent References:
JP48091689B
JPS3938075Y1
Foreign References:
US3576173A1971-04-27