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经营范围
发明名称
Dredge ladder
摘要
申请公布号
US2963801(A)
申请公布日期
1960.12.13
申请号
US19560625933
申请日期
1956.12.03
申请人
ELLICOTT MACHINE CORPORATION
发明人
JR. CHARLES E. ELLICOTT,
分类号
E02F3/90;E02F3/92
主分类号
E02F3/90
代理机构
代理人
主权项
地址
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