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发明名称
摘要
申请公布号
JPS5329235(B2)
申请公布日期
1978.08.19
申请号
JP19730110433
申请日期
1973.10.03
申请人
发明人
分类号
C04B35/26;B28B3/02;H01F1/113;H01F1/34;H01F1/37
主分类号
C04B35/26
代理机构
代理人
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地址
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