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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63184610
Kind Code:
U
Application Number:
JP7448587U
Publication Date:
November 28, 1988
Filing Date:
May 20, 1987
Export Citation:
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International Classes:
B21C47/24; (IPC1-7): B21C47/24
Domestic Patent References:
JPS4419897Y11969-08-26
JPS6158915B21986-12-13



 
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