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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50115029
Kind Code:
U
Application Number:
JP2437974U
Publication Date:
September 19, 1975
Filing Date:
February 28, 1974
Export Citation:
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International Classes:
G03B23/02; G03B23/00; G03B31/00; (IPC1-7): G03B31/00; G03B23/00



 
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