Document Type and Number:
Japanese Patent JPS5630564
Kind Code:
Y2
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Application Number:
JP15204276U
Publication Date:
July 21, 1981
Filing Date:
November 11, 1976
Export Citation:
International Classes:
E04H17/16; E01B19/00; E01C1/00; E01F8/00; E04B1/82; E04B1/86; (IPC1-7): E04B1/82; E01F8/00