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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5581101
Kind Code:
U
Application Number:
JP16136278U
Publication Date:
June 04, 1980
Filing Date:
November 22, 1978
Export Citation:
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International Classes:
E01B9/36; B66C7/00; B66C7/08; E01B11/10; (IPC1-7): E01B11/10; B66C7/00