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经营范围
发明名称
SOUND SHIELDING WALL
摘要
申请公布号
JPS5275019(A)
申请公布日期
1977.06.23
申请号
JP19750152059
申请日期
1975.12.19
申请人
SAKURADA YASUYUKI
发明人
SAKURADA YASUYUKI
分类号
E01F8/00;E01B19/00;E01C1/00;E04B1/82;E04B1/86;G10K11/02;G10K11/16
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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