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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63163201
Kind Code:
U
Application Number:
JP3321788U
Publication Date:
October 25, 1988
Filing Date:
March 15, 1988
Export Citation:
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International Classes:
B21B13/12; (IPC1-7): B21B13/12
Domestic Patent References:
JP57141803B
JPS5772706A1982-05-07