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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0236556
Kind Code:
U
Application Number:
JP11350088U
Publication Date:
March 09, 1990
Filing Date:
August 31, 1988
Export Citation:
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International Classes:
E04G13/02; B28B7/22; (IPC1-7): E04G13/02; B28B7/22
Domestic Patent References:
JPS5020771A1975-03-05
JP59154549B