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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52138650
Kind Code:
U
Application Number:
JP4659476U
Publication Date:
October 21, 1977
Filing Date:
April 16, 1976
Export Citation:
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International Classes:
F16B5/02; E01B19/00; E01F7/00; E01F8/00; E04B1/38; E04B1/82; E04B1/84; E04B1/86; E04B1/98; (IPC1-7): E01F7/00; E01B19/00; E04B1/40; E04B1/86