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经营范围
发明名称
Safety gear shift
摘要
申请公布号
US1804109(A)
申请公布日期
1931.05.05
申请号
US19300483644
申请日期
1930.09.22
申请人
WILLIAM PARKER FREDERICK
发明人
PARKER FREDERICK WILLIAM
分类号
F16H63/46
主分类号
F16H63/46
代理机构
代理人
主权项
地址
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