Document Type and Number:
Japanese Patent JPH0439543
Kind Code:
U
Application Number:
JP7884790U
Publication Date:
April 03, 1992
Filing Date:
July 25, 1990
Export Citation:
International Classes:
B22D7/06; B22D35/04; B22D41/22; (IPC1-7): B22D7/06; B22D35/04; B22D41/22
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