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发明名称
Apparatus for cleaning out conduits and the like
摘要
申请公布号
US1780436(A)
申请公布日期
1930.11.04
申请号
US19280312312
申请日期
1928.10.13
申请人
MILLER JOHN C
发明人
MILLER JOHN C.
分类号
E03C1/302;F23J3/02
主分类号
E03C1/302
代理机构
代理人
主权项
地址
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