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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5717728
Kind Code:
B2
Application Number:
JP9721274A
Publication Date:
April 13, 1982
Filing Date:
August 23, 1974
Export Citation:
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International Classes:
A01B71/02; A01B33/08; A01B69/00; B60K20/02; B60K25/00; B62D51/06