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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0542109
Kind Code:
Y2
Application Number:
JP3668188U
Publication Date:
October 25, 1993
Filing Date:
March 18, 1988
Export Citation:
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International Classes:
E02B3/12; E02D3/00; E02D19/12; (IPC1-7): E02B3/12