Document Type and Number:
Japanese Patent JPS4816634
Kind Code:
U
Application Number:
JP3482171U
Publication Date:
February 24, 1973
Filing Date:
April 30, 1971
Export Citation:
International Classes:
E02B11/00; D04B9/44; E02B13/00; (IPC1-7): E02B11/00; D04B9/44