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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5517199
Kind Code:
Y2
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Application Number:
JP3243776U
Publication Date:
April 21, 1980
Filing Date:
March 18, 1976
Export Citation:
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International Classes:
B21D39/00; G21C1/08; G21C3/32; G21C17/06; G21C21/00; (IPC1-7): G21C3/32; B21D39/00



 
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