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发明名称
PRODUCTION OF GAS BLOWING NOZZLE BRICK
摘要
申请公布号
JPH03295872(A)
申请公布日期
1991.12.26
申请号
JP19900099032
申请日期
1990.04.14
申请人
TOKYO YOGYO CO LTD
发明人
YAMADA SUEHIRO
分类号
B22D41/52;B22D41/58;B28B21/38;C04B38/06
主分类号
B22D41/52
代理机构
代理人
主权项
地址
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