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发明名称
Friction gearing
摘要
申请公布号
US2149057(A)
申请公布日期
1939.02.28
申请号
US19370172454
申请日期
1937.11.02
申请人
P K DRIVE CORP.
发明人
KOHL HERMANN
分类号
F16H15/42
主分类号
F16H15/42
代理机构
代理人
主权项
地址
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