Document Type and Number:
Japanese Patent JPS4874419
Kind Code:
U
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Application Number:
JP11861271U
Publication Date:
September 17, 1973
Filing Date:
December 17, 1971
Export Citation:
International Classes:
E04G21/08; B28B1/08; E04G9/10; E04G21/06; (IPC1-7): E04G9/10