Knife structure for lawn mowers and the like,申请号US19450587853-传众专利搜索

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发明名称	Knife structure for lawn mowers and the like
摘要
申请公布号	US2490169(A)	申请公布日期	1949.12.06
申请号	US19450587853	申请日期	1945.04.12
申请人	GUNNAR SWAHNBERG	发明人	SWAHNBERG GUNNAR
分类号	A01D34/62	主分类号	A01D34/62
代理机构		代理人
主权项
地址

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