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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0383203
Kind Code:
U
Application Number:
JP14155789U
Publication Date:
August 23, 1991
Filing Date:
December 08, 1989
Export Citation:
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International Classes:
E01C3/06; E01C11/16; (IPC1-7): E01C3/06; E01C11/16



 
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