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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4731496
Kind Code:
U
Application Number:
JP3081071U
Publication Date:
December 08, 1972
Filing Date:
April 19, 1971
Export Citation:
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International Classes:
G07D1/04; E05B65/02; G07D9/00; (IPC1-7): E05B65/02; G07D1/04