Document Type and Number:
Japanese Patent JPS51127041
Kind Code:
U
Application Number:
JP4849675U
Publication Date:
October 14, 1976
Filing Date:
April 09, 1975
Export Citation:
International Classes:
G03B21/132; G02B27/18; G03B21/32; G03B23/00; (IPC1-7): G03B21/32; G03B23/00
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