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发明名称
Change speed gearing
摘要
申请公布号
US2311031(A)
申请公布日期
1943.02.16
申请号
US19410422031
申请日期
1941.12.08
申请人
GILBERT & BARKER MANUFACTURING COMPANY
发明人
LANCEY WARREN H. DE
分类号
B67D7/22
主分类号
B67D7/22
代理机构
代理人
主权项
地址
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