VARIABLE PITCH PROPELLER,申请号CAD442601-传众专利搜索

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发明名称	VARIABLE PITCH PROPELLER
摘要
申请公布号	CA442601(A)	申请公布日期	1947.07.01
申请号	CAD442601	申请日期
申请人	ENGINEERING AND RESEARCH CORPORATION	发明人	WILLIAM L. GREENE
分类号		主分类号
代理机构		代理人
主权项
地址

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