HELICOPTER ROTOR BLADE,申请号USD3674379-传众专利搜索

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发明名称	HELICOPTER ROTOR BLADE
摘要
申请公布号	US3674379(A)	申请公布日期	1972.07.04
申请号	USD3674379	申请日期	1970.01.26
申请人	SIAI-MARCHETTI SPA.	发明人	GIANCARLO MONTI
分类号	B64C27/48;(IPC1-7):B64C27/48	主分类号	B64C27/48
代理机构		代理人
主权项
地址

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