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经营范围
发明名称
TRAFFIC ROAD SILENCER
摘要
申请公布号
JPS5390624(A)
申请公布日期
1978.08.09
申请号
JP19770004391
申请日期
1977.01.20
申请人
HARAYAMA NOBUYASU
发明人
HARAYAMA NOBUYASU
分类号
E01F8/00;E01B19/00;E01F7/00
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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