DOOR CLOSER AND CHECK,申请号CAD357540-传众专利搜索

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发明名称	DOOR CLOSER AND CHECK
摘要
申请公布号	CA357540(A)	申请公布日期	1936.05.05
申请号	CAD357540	申请日期
申请人	BENJAMIN S. BERNHARD	发明人	BENJAMIN S. BERNHARD
分类号		主分类号
代理机构		代理人
主权项
地址

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