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经营范围
发明名称
Variable speed friction gearing
摘要
申请公布号
US2506195(A)
申请公布日期
1950.05.02
申请号
US19480022293
申请日期
1948.04.21
申请人
"BREVETS AERO-MECANIQUES S. A."
发明人
BONNA LOUIS
分类号
F16H15/38
主分类号
F16H15/38
代理机构
代理人
主权项
地址
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