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发明名称
SOUND INSULATING METHOD
摘要
申请公布号
JPS5438328(A)
申请公布日期
1979.03.22
申请号
JP19770104206
申请日期
1977.09.01
申请人
MITSUBISHI STEEL MFG
发明人
SATO TADANORI
分类号
C04B38/00
主分类号
C04B38/00
代理机构
代理人
主权项
地址
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