ELECTRIC VARIABLE-SPEED POWER TRANSMISSION SYSTEM,申请号CAD316243-传众专利搜索

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发明名称	ELECTRIC VARIABLE-SPEED POWER TRANSMISSION SYSTEM
摘要
申请公布号	CA316243(A)	申请公布日期	1931.10.20
申请号	CAD316243	申请日期
申请人	HENRY HOMAN JEFFCOTT	发明人	HENRY HOMAN JEFFCOTT
分类号		主分类号
代理机构		代理人
主权项
地址

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