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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57165329
Kind Code:
U
Application Number:
JP4962981U
Publication Date:
October 18, 1982
Filing Date:
April 08, 1981
Export Citation:
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International Classes:
B21D43/18; B21D43/24; B30B15/30; (IPC1-7): B21D43/24; B21D43/18; B30B15/30
Domestic Patent References:
JPS50160886A1975-12-26
JPS5522432A1980-02-18



 
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