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发明名称
MANUFACTURE OF SOUNDPROOF FLOOR MATERIAL
摘要
申请公布号
JPH03197760(A)
申请公布日期
1991.08.29
申请号
JP19890337702
申请日期
1989.12.25
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
MAEDA FUTOSHI;OKUDAIRA YUZO;OKUZAWA MASAYUKI;NAKAGAWA MASAHIRO
分类号
E04F15/18;B32B3/22;B32B33/00;B32B37/10
主分类号
E04F15/18
代理机构
代理人
主权项
地址
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