Document Type and Number:
Japanese Patent JPS5252469
Kind Code:
U
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Application Number:
JP13953375U
Publication Date:
April 14, 1977
Filing Date:
October 14, 1975
Export Citation:
International Classes:
H01Q17/00; G01S7/02; G21F1/12; G21F3/02; G21G1/00; (IPC1-7): G21G1/00; G01S7/02; G21F3/02