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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0223131
Kind Code:
Y2
Application Number:
JP3098087U
Publication Date:
June 22, 1990
Filing Date:
March 03, 1987
Export Citation:
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International Classes:
A43B21/47; A43B21/52; (IPC1-7): A43B21/52; A43B21/47