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发明名称
Power-transmitting and speed-changing mechanism
摘要
申请公布号
US1797982(A)
申请公布日期
1931.03.24
申请号
US19300428539
申请日期
1930.02.14
申请人
ERNST GESSNER
发明人
GESSNER ERNST
分类号
F16H3/66
主分类号
F16H3/66
代理机构
代理人
主权项
地址
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