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Document Type and Number:
Japanese Patent JPS4852854
Kind Code:
A
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Application Number:
JP8765871A
Publication Date:
July 25, 1973
Filing Date:
November 05, 1971
Export Citation:
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International Classes:
B21B1/22; B21D31/00; B29C33/00; B29C43/00; B29C43/24; B29C43/46; B29C59/04; B30B3/04



 
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