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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0411294
Kind Code:
B2
Application Number:
JP50210384A
Publication Date:
February 28, 1992
Filing Date:
April 18, 1984
Export Citation:
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International Classes:
B22D18/02; B22C9/10; B22D15/02; F02F3/00; B21D; B23P