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发明名称
Bateau à hélice propulsive commandée par la force musculaire des passagers
摘要
申请公布号
FR923772(A)
申请公布日期
1947.07.17
申请号
FRD923772
申请日期
1946.03.12
申请人
发明人
LESPERT ADOLPHE-MARIE
分类号
B63H16/20
主分类号
B63H16/20
代理机构
代理人
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