Document Type and Number:
Japanese Patent JPS4911494
Kind Code:
U
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Application Number:
JP5351972U
Publication Date:
January 31, 1974
Filing Date:
May 08, 1972
Export Citation:
International Classes:
B63H1/36; B63H16/00; B63H16/08; (IPC1-7): B63H1/36; B63H16/00