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经营范围
发明名称
DRAIN CLEANER
摘要
申请公布号
US3503890(A)
申请公布日期
1970.03.31
申请号
USD3503890
申请日期
1966.07.29
申请人
A.E. STALEY MFG. CO.
发明人
MARIAN C. DAVISSON;ROBERT L. KRAUDEL
分类号
C11D1/62;(IPC1-7):C11D1/18;C11D1/38;C11D1/50;C11D3/26;C11D7/32
主分类号
C11D1/62
代理机构
代理人
主权项
地址
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