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发明名称
TUNGSTEN ALLOY GRANULE FOR SHIELDING RADIATION
摘要
申请公布号
JPH04308003(A)
申请公布日期
1992.10.30
申请号
JP19910101942
申请日期
1991.04.05
申请人
SUMITOMO ELECTRIC IND LTD
发明人
OMACHI MASAHIRO;AMANO YOSHINARI
分类号
B22F1/00;C22C27/04
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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