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发明名称
PREPARATION OF PERFORATING PUNCH FROM SINTERED PRODUCT
摘要
申请公布号
JPS5456009(A)
申请公布日期
1979.05.04
申请号
JP19770121881
申请日期
1977.10.13
申请人
STANLEY ELECTRIC CO LTD;TOKYO SINTERED METAL CO LTD
发明人
MIZUNO KAZUO;MATSUZONO SADAO;SAIDA NOBUYUKI
分类号
B22F3/02;B22F5/00;B22F5/08
主分类号
B22F3/02
代理机构
代理人
主权项
地址
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