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经营范围
发明名称
SOUNDPROOF WALL AND SOUNDPROOF PARTITION
摘要
申请公布号
JPH05295809(A)
申请公布日期
1993.11.09
申请号
JP19920037701
申请日期
1992.02.25
申请人
SEKISUI CHEM CO LTD
发明人
ITO MASATERU
分类号
E04B1/82;E04F19/02;(IPC1-7):E04B1/82
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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