COMBINED SPRING AND FLUID CHECK DEVICES FOR DOORS,申请号CAD499779-传众专利搜索

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发明名称	COMBINED SPRING AND FLUID CHECK DEVICES FOR DOORS
摘要
申请公布号	CA499779(A)	申请公布日期	1954.02.02
申请号	CAD499779	申请日期
申请人	WILLIAM NEWMAN AND SONS LIMITED	发明人	HERBERT C. SHEAD
分类号		主分类号
代理机构		代理人
主权项
地址

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