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发明名称
Controllable pitch boat propeller
摘要
申请公布号
US3310118(A)
申请公布日期
1967.03.21
申请号
US19660564855
申请日期
1966.07.13
申请人
SMITH FRANKLIN K
发明人
SMITH FRANKLIN K.
分类号
B63H3/04
主分类号
B63H3/04
代理机构
代理人
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