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发明名称
Change-speed gear
摘要
申请公布号
US2338413(A)
申请公布日期
1944.01.04
申请号
US19390292126
申请日期
1939.08.26
申请人
DE FALCO MARIO
发明人
FALCO MARIO DE
分类号
F16H3/64
主分类号
F16H3/64
代理机构
代理人
主权项
地址
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