Document Type and Number:
Japanese Patent JPS568791
Kind Code:
Y2
Application Number:
JP13509277U
Publication Date:
February 25, 1981
Filing Date:
October 07, 1977
Export Citation:
International Classes:
E04B1/94; B63B3/68; B63B29/02; E04B1/98; (IPC1-7): B63B29/02
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