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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS50148270
Kind Code:
A
Application Number:
JP5614574A
Publication Date:
November 27, 1975
Filing Date:
May 21, 1974
Export Citation:
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International Classes:
B21C47/28; B21C47/02; B21D31/04; (IPC1-7): B21C47/02; B21D31/04
Domestic Patent References:
JP35009169A



 
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