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发明名称
Change-speed gear
摘要
申请公布号
US2179827(A)
申请公布日期
1939.11.14
申请号
US19350009370
申请日期
1935.03.05
申请人
WILLIAM MELLER
发明人
MELLER WILLIAM
分类号
F16H29/04;F16H29/22
主分类号
F16H29/04
代理机构
代理人
主权项
地址
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