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发明名称
Cutter head for suction dredges
摘要
申请公布号
US2819542(A)
申请公布日期
1958.01.14
申请号
US19550525164
申请日期
1955.07.29
申请人
STEWART EDWARD L;FRANCIS BREWTON ROYAL;HENRY QUACKENBUSH
发明人
STEWART EDWARD L.;BREWTON ROYAL FRANCIS;QUACKENBUSH HENRY
分类号
E02F3/92
主分类号
E02F3/92
代理机构
代理人
主权项
地址
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