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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6219380
Kind Code:
Y2
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Application Number:
JP11380880U
Publication Date:
May 18, 1987
Filing Date:
August 13, 1980
Export Citation:
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International Classes:
B21D43/05; B30B15/30; (IPC1-7): B21D43/05