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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4723881
Kind Code:
U
Application Number:
JP2489871U
Publication Date:
November 17, 1972
Filing Date:
April 03, 1971
Export Citation:
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International Classes:
B66C1/34; B66C1/16; B66C1/22; (IPC1-7): B66C1/16