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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4955330
Kind Code:
A
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Application Number:
JP9121072A
Publication Date:
May 29, 1974
Filing Date:
September 13, 1972
Export Citation:
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International Classes:
G03B27/32; G03B21/11; G03B21/28; G06F17/30; (IPC1-7): G03B21/11



 
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