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经营范围
发明名称
Adjustable top clean-outs
摘要
申请公布号
US3362425(A)
申请公布日期
1968.01.09
申请号
US19660547655
申请日期
1966.05.04
申请人
JAY R. SMITH MFG. CO.
发明人
MORRIS EARL L.;SALSBURY ROBERT C.
分类号
E03F5/02
主分类号
E03F5/02
代理机构
代理人
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地址
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