Document Type and Number:
Japanese Patent JPS62186080
Kind Code:
U
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Application Number:
JP7452786U
Publication Date:
November 26, 1987
Filing Date:
May 20, 1986
Export Citation:
International Classes:
B63B49/00; G01S7/52; G01S7/521; (IPC1-7): G01S7/52; B63B49/00