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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS638335
Kind Code:
U
Application Number:
JP9988986U
Publication Date:
January 20, 1988
Filing Date:
July 01, 1986
Export Citation:
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International Classes:
E04G13/04; E04G3/00; E04G17/14; (IPC1-7): E04G3/10; E04G13/04; E04G17/14
Domestic Patent References:
JPS5721665A1982-02-04