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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5664410
Kind Code:
U
Application Number:
JP9285780U
Publication Date:
May 30, 1981
Filing Date:
July 03, 1980
Export Citation:
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International Classes:
E01C1/00; E01C5/06; E01C9/08; (IPC1-7): E01C9/08; E01C5/06
Domestic Patent References:
JP51126626B