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经营范围
发明名称
SOUNDPROOF MATERIAL
摘要
申请公布号
JPH04172498(A)
申请公布日期
1992.06.19
申请号
JP19900302030
申请日期
1990.11.06
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TAKAYAMA SATOSHI
分类号
G10K11/162;G10K11/16
主分类号
G10K11/162
代理机构
代理人
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地址
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