Document Type and Number:
Japanese Patent JPS5543244
Kind Code:
Y2
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Application Number:
JP9258976U
Publication Date:
October 11, 1980
Filing Date:
July 12, 1976
Export Citation:
International Classes:
E04G21/16; E04G17/06; E04G17/065; E04G19/00; (IPC1-7): E04G17/08; E04G17/06