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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5520711
Kind Code:
Y2
Application Number:
JP1997375U
Publication Date:
May 17, 1980
Filing Date:
February 12, 1975
Export Citation:
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International Classes:
B66F7/04; B66B7/08; B66B9/04; (IPC1-7): B66B7/08; B66B9/04