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经营范围
发明名称
Controllable pitch propeller
摘要
申请公布号
US1986229(A)
申请公布日期
1935.01.01
申请号
US19330689235
申请日期
1933.09.13
申请人
STANLEY ROBERT M
发明人
STANLEY ROBERT M.
分类号
B64C11/36
主分类号
B64C11/36
代理机构
代理人
主权项
地址
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