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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4742399
Kind Code:
Y1
Application Number:
JP10739268U
Publication Date:
December 21, 1972
Filing Date:
December 09, 1968
Export Citation:
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International Classes:
B63B59/06; B08B7/02; (IPC1-7): B60S3/02; B08B7/02