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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4893130
Kind Code:
A
Application Number:
JP2306672A
Publication Date:
December 03, 1973
Filing Date:
March 08, 1972
Export Citation:
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International Classes:
E01D15/14; B63B35/38; E04H3/10; (IPC1-7): E02D29/06



 
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