Dispositif d'hélice mû par force musculaire pour planeur, aviette, avion léger, canot, et tous autres véhicules,申请号FRD712703-传众专利搜索

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发明名称	Dispositif d'hélice mû par force musculaire pour planeur, aviette, avion léger, canot, et tous autres véhicules
摘要
申请公布号	FR712703(A)	申请公布日期	1931.10.09
申请号	FRD712703	申请日期	1931.02.28
申请人		发明人	ROYER SAMUEL ROYER & JAMES
分类号	B64C31/04	主分类号	B64C31/04
代理机构		代理人
主权项
地址

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