COMBINED POLLEN COLLECTOR AND ENTRANCE RESTRICTION FOR BEE HIVES,申请号CAD820629-传众专利搜索

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发明名称	COMBINED POLLEN COLLECTOR AND ENTRANCE RESTRICTION FOR BEE HIVES
摘要
申请公布号	CA820629(A)	申请公布日期	1969.08.19
申请号	CAD820629	申请日期
申请人	VIOTTI E. ROOT	发明人	VIOTTI E. ROOT
分类号		主分类号
代理机构		代理人
主权项
地址

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