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经营范围
发明名称
METHOD OF PRODUCING SOUND INGOT
摘要
申请公布号
JPS5428736(A)
申请公布日期
1979.03.03
申请号
JP19770094181
申请日期
1977.08.08
申请人
HITACHI LTD
发明人
IIJIMA SHIROU;KONDOU YASUO;SAITOU TOSHIAKI
分类号
B22D23/10;B22D27/02;B22D27/20
主分类号
B22D23/10
代理机构
代理人
主权项
地址
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