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经营范围
发明名称
METHOD AND DEVICE FOR CLEANING DRAINAGE VERTICAL PIPE
摘要
申请公布号
JPH05156678(A)
申请公布日期
1993.06.22
申请号
JP19910320361
申请日期
1991.12.04
申请人
SEKISUI CHEM CO LTD
发明人
YAMAMOTO YUJI
分类号
B08B9/02;E03C1/302
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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