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发明名称
Cathead
摘要
申请公布号
US2512564(A)
申请公布日期
1950.06.20
申请号
US19450599393
申请日期
1945.06.14
申请人
DICKSON WILBURNE A
发明人
DICKSON WILBURNE A.
分类号
B66D1/74
主分类号
B66D1/74
代理机构
代理人
主权项
地址
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