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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57177621
Kind Code:
U
Application Number:
JP6658381U
Publication Date:
November 10, 1982
Filing Date:
May 07, 1981
Export Citation:
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International Classes:
A01D34/68; A01F29/22; B23D63/14; (IPC1-7): B23D63/14; A01D35/26; A01F29/22