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发明名称
MANUFACTURE OF TUNGSTEN SINTERED ALLOY
摘要
申请公布号
JPH02122026(A)
申请公布日期
1990.05.09
申请号
JP19880275067
申请日期
1988.10.31
申请人
NIPPON YAKIN KOGYO CO LTD
发明人
EBATO KAZUO;OKATO NOBUYOSHI;YOSHIDA HIROSHI;NAKAI MASAO
分类号
C22C1/04;B22F3/24;C22C27/04
主分类号
C22C1/04
代理机构
代理人
主权项
地址
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