Improvements in or relating to automatic pads for doors,申请号GB19360006607-传众专利搜索

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发明名称	Improvements in or relating to automatic pads for doors
摘要
申请公布号	GB476654(A)	申请公布日期	1937.12.13
申请号	GB19360006607	申请日期	1936.03.04
申请人	JOSEPH DUMAS	发明人
分类号	E06B7/20	主分类号	E06B7/20
代理机构		代理人
主权项
地址

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